Home / 5,128,143.16-7,077,051.54-2,952,632.20

Finding the Fourth Proportional to 5,128,143.16, 7,077,051.54 and 2,952,632.20

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Solution

The fourth proportional to 5,128,143.16, 7,077,051.54 and 2,952,632.20 is: 4,074,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,143.16 : 7,077,051.54 = 2,952,632.20 : x
  2. Step 2: Convert to fraction form
    5,128,143.16/7,077,051.54 = 2,952,632.20/x
  3. Step 3: Cross multiply
    5,128,143.16x = 7,077,051.54 × 2,952,632.20
  4. Step 4: Simplify right side
    5,128,143.16x = 20,895,930,258,063.59
  5. Step 5: Solve for x
    x = 20,895,930,258,063.59/5,128,143.16
  6. Step 6: Final answer
    x = 4,074,755.64

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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.