Home / 1,930,547-2,664,155.22-1,071,105.20

Finding the Fourth Proportional to 1,930,547, 2,664,155.22 and 1,071,105.20

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Solution

The fourth proportional to 1,930,547, 2,664,155.22 and 1,071,105.20 is: 1,478,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,547 : 2,664,155.22 = 1,071,105.20 : x
  2. Step 2: Convert to fraction form
    1,930,547/2,664,155.22 = 1,071,105.20/x
  3. Step 3: Cross multiply
    1,930,547x = 2,664,155.22 × 1,071,105.20
  4. Step 4: Simplify right side
    1,930,547x = 2,853,590,509,749.14
  5. Step 5: Solve for x
    x = 2,853,590,509,749.14/1,930,547
  6. Step 6: Final answer
    x = 1,478,125.38

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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.