Home / 1,930,508.40-2,664,421.38-1,071,344.64

Finding the Fourth Proportional to 1,930,508.40, 2,664,421.38 and 1,071,344.64

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Solution

The fourth proportional to 1,930,508.40, 2,664,421.38 and 1,071,344.64 is: 1,478,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,508.40 : 2,664,421.38 = 1,071,344.64 : x
  2. Step 2: Convert to fraction form
    1,930,508.40/2,664,421.38 = 1,071,344.64/x
  3. Step 3: Cross multiply
    1,930,508.40x = 2,664,421.38 × 1,071,344.64
  4. Step 4: Simplify right side
    1,930,508.40x = 2,854,513,564,164.40
  5. Step 5: Solve for x
    x = 2,854,513,564,164.40/1,930,508.40
  6. Step 6: Final answer
    x = 1,478,633.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.