Home / 2,898,177.40-4,347,266.10-768,476.80

Finding the Fourth Proportional to 2,898,177.40, 4,347,266.10 and 768,476.80

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Solution

The fourth proportional to 2,898,177.40, 4,347,266.10 and 768,476.80 is: 1,152,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,177.40 : 4,347,266.10 = 768,476.80 : x
  2. Step 2: Convert to fraction form
    2,898,177.40/4,347,266.10 = 768,476.80/x
  3. Step 3: Cross multiply
    2,898,177.40x = 4,347,266.10 × 768,476.80
  4. Step 4: Simplify right side
    2,898,177.40x = 3,340,773,141,276.48
  5. Step 5: Solve for x
    x = 3,340,773,141,276.48/2,898,177.40
  6. Step 6: Final answer
    x = 1,152,715.20

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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.