Home / 2,579,897.40-3,869,846.10-2,420,465.10

Finding the Fourth Proportional to 2,579,897.40, 3,869,846.10 and 2,420,465.10

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Solution

The fourth proportional to 2,579,897.40, 3,869,846.10 and 2,420,465.10 is: 3,630,697.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,897.40 : 3,869,846.10 = 2,420,465.10 : x
  2. Step 2: Convert to fraction form
    2,579,897.40/3,869,846.10 = 2,420,465.10/x
  3. Step 3: Cross multiply
    2,579,897.40x = 3,869,846.10 × 2,420,465.10
  4. Step 4: Simplify right side
    2,579,897.40x = 9,366,827,427,421.11
  5. Step 5: Solve for x
    x = 9,366,827,427,421.11/2,579,897.40
  6. Step 6: Final answer
    x = 3,630,697.65

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.