Home / 2,690,931.20-4,031,829.20-1,623,730.80

Finding the Fourth Proportional to 2,690,931.20, 4,031,829.20 and 1,623,730.80

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Solution

The fourth proportional to 2,690,931.20, 4,031,829.20 and 1,623,730.80 is: 2,432,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,931.20 : 4,031,829.20 = 1,623,730.80 : x
  2. Step 2: Convert to fraction form
    2,690,931.20/4,031,829.20 = 1,623,730.80/x
  3. Step 3: Cross multiply
    2,690,931.20x = 4,031,829.20 × 1,623,730.80
  4. Step 4: Simplify right side
    2,690,931.20x = 6,546,605,252,379.36
  5. Step 5: Solve for x
    x = 6,546,605,252,379.36/2,690,931.20
  6. Step 6: Final answer
    x = 2,432,840.07

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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.