Home / 2,817,005.60-3,887,336.40-1,729,056.80

Finding the Fourth Proportional to 2,817,005.60, 3,887,336.40 and 1,729,056.80

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Solution

The fourth proportional to 2,817,005.60, 3,887,336.40 and 1,729,056.80 is: 2,386,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,005.60 : 3,887,336.40 = 1,729,056.80 : x
  2. Step 2: Convert to fraction form
    2,817,005.60/3,887,336.40 = 1,729,056.80/x
  3. Step 3: Cross multiply
    2,817,005.60x = 3,887,336.40 × 1,729,056.80
  4. Step 4: Simplify right side
    2,817,005.60x = 6,721,425,436,307.52
  5. Step 5: Solve for x
    x = 6,721,425,436,307.52/2,817,005.60
  6. Step 6: Final answer
    x = 2,386,017.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.