Home / 3,429,712.60-4,732,662.16-1,979,875.10

Finding the Fourth Proportional to 3,429,712.60, 4,732,662.16 and 1,979,875.10

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Solution

The fourth proportional to 3,429,712.60, 4,732,662.16 and 1,979,875.10 is: 2,732,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429,712.60 : 4,732,662.16 = 1,979,875.10 : x
  2. Step 2: Convert to fraction form
    3,429,712.60/4,732,662.16 = 1,979,875.10/x
  3. Step 3: Cross multiply
    3,429,712.60x = 4,732,662.16 × 1,979,875.10
  4. Step 4: Simplify right side
    3,429,712.60x = 9,370,079,981,602.72
  5. Step 5: Solve for x
    x = 9,370,079,981,602.72/3,429,712.60
  6. Step 6: Final answer
    x = 2,732,030.66

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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.