Home / 5,478,875.16-7,561,070.56-3,031,446.39

Finding the Fourth Proportional to 5,478,875.16, 7,561,070.56 and 3,031,446.39

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Solution

The fourth proportional to 5,478,875.16, 7,561,070.56 and 3,031,446.39 is: 4,183,519.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,875.16 : 7,561,070.56 = 3,031,446.39 : x
  2. Step 2: Convert to fraction form
    5,478,875.16/7,561,070.56 = 3,031,446.39/x
  3. Step 3: Cross multiply
    5,478,875.16x = 7,561,070.56 × 3,031,446.39
  4. Step 4: Simplify right side
    5,478,875.16x = 22,920,980,053,647.28
  5. Step 5: Solve for x
    x = 22,920,980,053,647.28/5,478,875.16
  6. Step 6: Final answer
    x = 4,183,519.31

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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.