Home / 2,068,572.40-3,102,858.60-1,430,843.20

Finding the Fourth Proportional to 2,068,572.40, 3,102,858.60 and 1,430,843.20

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Solution

The fourth proportional to 2,068,572.40, 3,102,858.60 and 1,430,843.20 is: 2,146,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,572.40 : 3,102,858.60 = 1,430,843.20 : x
  2. Step 2: Convert to fraction form
    2,068,572.40/3,102,858.60 = 1,430,843.20/x
  3. Step 3: Cross multiply
    2,068,572.40x = 3,102,858.60 × 1,430,843.20
  4. Step 4: Simplify right side
    2,068,572.40x = 4,439,704,128,371.52
  5. Step 5: Solve for x
    x = 4,439,704,128,371.52/2,068,572.40
  6. Step 6: Final answer
    x = 2,146,264.80

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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.