Home / 4,258,420.60-6,387,630.90-2,128,833.40

Finding the Fourth Proportional to 4,258,420.60, 6,387,630.90 and 2,128,833.40

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Solution

The fourth proportional to 4,258,420.60, 6,387,630.90 and 2,128,833.40 is: 3,193,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,420.60 : 6,387,630.90 = 2,128,833.40 : x
  2. Step 2: Convert to fraction form
    4,258,420.60/6,387,630.90 = 2,128,833.40/x
  3. Step 3: Cross multiply
    4,258,420.60x = 6,387,630.90 × 2,128,833.40
  4. Step 4: Simplify right side
    4,258,420.60x = 13,598,202,006,792.06
  5. Step 5: Solve for x
    x = 13,598,202,006,792.06/4,258,420.60
  6. Step 6: Final answer
    x = 3,193,250.10

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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.