Home / 1,998,005.40-2,997,008.10-876,074.40

Finding the Fourth Proportional to 1,998,005.40, 2,997,008.10 and 876,074.40

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Solution

The fourth proportional to 1,998,005.40, 2,997,008.10 and 876,074.40 is: 1,314,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,005.40 : 2,997,008.10 = 876,074.40 : x
  2. Step 2: Convert to fraction form
    1,998,005.40/2,997,008.10 = 876,074.40/x
  3. Step 3: Cross multiply
    1,998,005.40x = 2,997,008.10 × 876,074.40
  4. Step 4: Simplify right side
    1,998,005.40x = 2,625,602,073,002.64
  5. Step 5: Solve for x
    x = 2,625,602,073,002.64/1,998,005.40
  6. Step 6: Final answer
    x = 1,314,111.60

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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.