Home / 4,020,091.68-5,547,939.12-2,278,099.20

Finding the Fourth Proportional to 4,020,091.68, 5,547,939.12 and 2,278,099.20

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Solution

The fourth proportional to 4,020,091.68, 5,547,939.12 and 2,278,099.20 is: 3,143,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,091.68 : 5,547,939.12 = 2,278,099.20 : x
  2. Step 2: Convert to fraction form
    4,020,091.68/5,547,939.12 = 2,278,099.20/x
  3. Step 3: Cross multiply
    4,020,091.68x = 5,547,939.12 × 2,278,099.20
  4. Step 4: Simplify right side
    4,020,091.68x = 12,638,755,670,920.71
  5. Step 5: Solve for x
    x = 12,638,755,670,920.71/4,020,091.68
  6. Step 6: Final answer
    x = 3,143,897.37

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1.5x scale

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.