Home / 2,638,401.60-3,957,602.40-1,725,110.40

Finding the Fourth Proportional to 2,638,401.60, 3,957,602.40 and 1,725,110.40

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Solution

The fourth proportional to 2,638,401.60, 3,957,602.40 and 1,725,110.40 is: 2,587,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,401.60 : 3,957,602.40 = 1,725,110.40 : x
  2. Step 2: Convert to fraction form
    2,638,401.60/3,957,602.40 = 1,725,110.40/x
  3. Step 3: Cross multiply
    2,638,401.60x = 3,957,602.40 × 1,725,110.40
  4. Step 4: Simplify right side
    2,638,401.60x = 6,827,301,059,304.96
  5. Step 5: Solve for x
    x = 6,827,301,059,304.96/2,638,401.60
  6. Step 6: Final answer
    x = 2,587,665.60

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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.