Home / 3,129,000.80-4,692,334.80-1,235,350.40

Finding the Fourth Proportional to 3,129,000.80, 4,692,334.80 and 1,235,350.40

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Solution

The fourth proportional to 3,129,000.80, 4,692,334.80 and 1,235,350.40 is: 1,852,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,000.80 : 4,692,334.80 = 1,235,350.40 : x
  2. Step 2: Convert to fraction form
    3,129,000.80/4,692,334.80 = 1,235,350.40/x
  3. Step 3: Cross multiply
    3,129,000.80x = 4,692,334.80 × 1,235,350.40
  4. Step 4: Simplify right side
    3,129,000.80x = 5,796,677,672,113.92
  5. Step 5: Solve for x
    x = 5,796,677,672,113.92/3,129,000.80
  6. Step 6: Final answer
    x = 1,852,565.10

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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.