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Finding the Fourth Proportional to 5,798,509.80, 8,697,764.70 and 5,350,612.20

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Solution

The fourth proportional to 5,798,509.80, 8,697,764.70 and 5,350,612.20 is: 8,025,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,509.80 : 8,697,764.70 = 5,350,612.20 : x
  2. Step 2: Convert to fraction form
    5,798,509.80/8,697,764.70 = 5,350,612.20/x
  3. Step 3: Cross multiply
    5,798,509.80x = 8,697,764.70 × 5,350,612.20
  4. Step 4: Simplify right side
    5,798,509.80x = 46,538,365,916,549.34
  5. Step 5: Solve for x
    x = 46,538,365,916,549.34/5,798,509.80
  6. Step 6: Final answer
    x = 8,025,918.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.