Home / 2,685,338.30-4,028,007.45-1,623,655.10

Finding the Fourth Proportional to 2,685,338.30, 4,028,007.45 and 1,623,655.10

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Solution

The fourth proportional to 2,685,338.30, 4,028,007.45 and 1,623,655.10 is: 2,435,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,338.30 : 4,028,007.45 = 1,623,655.10 : x
  2. Step 2: Convert to fraction form
    2,685,338.30/4,028,007.45 = 1,623,655.10/x
  3. Step 3: Cross multiply
    2,685,338.30x = 4,028,007.45 × 1,623,655.10
  4. Step 4: Simplify right side
    2,685,338.30x = 6,540,094,839,030.50
  5. Step 5: Solve for x
    x = 6,540,094,839,030.50/2,685,338.30
  6. Step 6: Final answer
    x = 2,435,482.65

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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.