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Finding the Fourth Proportional to 6,402,891.08, 8,835,801.72 and 3,502,219.16

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Solution

The fourth proportional to 6,402,891.08, 8,835,801.72 and 3,502,219.16 is: 4,832,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,891.08 : 8,835,801.72 = 3,502,219.16 : x
  2. Step 2: Convert to fraction form
    6,402,891.08/8,835,801.72 = 3,502,219.16/x
  3. Step 3: Cross multiply
    6,402,891.08x = 8,835,801.72 × 3,502,219.16
  4. Step 4: Simplify right side
    6,402,891.08x = 30,944,914,077,744.96
  5. Step 5: Solve for x
    x = 30,944,914,077,744.96/6,402,891.08
  6. Step 6: Final answer
    x = 4,832,959.63

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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.