Home / 2,660,041.18-3,990,622.47-862,784.83

Finding the Fourth Proportional to 2,660,041.18, 3,990,622.47 and 862,784.83

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Solution

The fourth proportional to 2,660,041.18, 3,990,622.47 and 862,784.83 is: 1,294,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,041.18 : 3,990,622.47 = 862,784.83 : x
  2. Step 2: Convert to fraction form
    2,660,041.18/3,990,622.47 = 862,784.83/x
  3. Step 3: Cross multiply
    2,660,041.18x = 3,990,622.47 × 862,784.83
  4. Step 4: Simplify right side
    2,660,041.18x = 3,443,048,529,373.13
  5. Step 5: Solve for x
    x = 3,443,048,529,373.13/2,660,041.18
  6. Step 6: Final answer
    x = 1,294,359.11

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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.