Home / 2,138,869.60-3,208,304.40-877,602.40

Finding the Fourth Proportional to 2,138,869.60, 3,208,304.40 and 877,602.40

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Solution

The fourth proportional to 2,138,869.60, 3,208,304.40 and 877,602.40 is: 1,316,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,869.60 : 3,208,304.40 = 877,602.40 : x
  2. Step 2: Convert to fraction form
    2,138,869.60/3,208,304.40 = 877,602.40/x
  3. Step 3: Cross multiply
    2,138,869.60x = 3,208,304.40 × 877,602.40
  4. Step 4: Simplify right side
    2,138,869.60x = 2,815,615,641,370.56
  5. Step 5: Solve for x
    x = 2,815,615,641,370.56/2,138,869.60
  6. Step 6: Final answer
    x = 1,316,403.60

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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.