Home / 1,547,798.63-2,132,447.38-1,197,735.20

Finding the Fourth Proportional to 1,547,798.63, 2,132,447.38 and 1,197,735.20

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Solution

The fourth proportional to 1,547,798.63, 2,132,447.38 and 1,197,735.20 is: 1,650,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,798.63 : 2,132,447.38 = 1,197,735.20 : x
  2. Step 2: Convert to fraction form
    1,547,798.63/2,132,447.38 = 1,197,735.20/x
  3. Step 3: Cross multiply
    1,547,798.63x = 2,132,447.38 × 1,197,735.20
  4. Step 4: Simplify right side
    1,547,798.63x = 2,554,107,279,272.50
  5. Step 5: Solve for x
    x = 2,554,107,279,272.50/1,547,798.63
  6. Step 6: Final answer
    x = 1,650,154.76

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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.