Home / 5,207,445.12-7,186,194-2,915,688

Finding the Fourth Proportional to 5,207,445.12, 7,186,194 and 2,915,688

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Solution

The fourth proportional to 5,207,445.12, 7,186,194 and 2,915,688 is: 4,023,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207,445.12 : 7,186,194 = 2,915,688 : x
  2. Step 2: Convert to fraction form
    5,207,445.12/7,186,194 = 2,915,688/x
  3. Step 3: Cross multiply
    5,207,445.12x = 7,186,194 × 2,915,688
  4. Step 4: Simplify right side
    5,207,445.12x = 20,952,699,611,472
  5. Step 5: Solve for x
    x = 20,952,699,611,472/5,207,445.12
  6. Step 6: Final answer
    x = 4,023,604.50

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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.