Home / 2,657,147.20-3,985,720.80-1,593,390.40

Finding the Fourth Proportional to 2,657,147.20, 3,985,720.80 and 1,593,390.40

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Solution

The fourth proportional to 2,657,147.20, 3,985,720.80 and 1,593,390.40 is: 2,390,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,147.20 : 3,985,720.80 = 1,593,390.40 : x
  2. Step 2: Convert to fraction form
    2,657,147.20/3,985,720.80 = 1,593,390.40/x
  3. Step 3: Cross multiply
    2,657,147.20x = 3,985,720.80 × 1,593,390.40
  4. Step 4: Simplify right side
    2,657,147.20x = 6,350,809,259,800.32
  5. Step 5: Solve for x
    x = 6,350,809,259,800.32/2,657,147.20
  6. Step 6: Final answer
    x = 2,390,085.60

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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.