Home / 3,140,597.40-4,710,896.10-1,121,121.60

Finding the Fourth Proportional to 3,140,597.40, 4,710,896.10 and 1,121,121.60

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Solution

The fourth proportional to 3,140,597.40, 4,710,896.10 and 1,121,121.60 is: 1,681,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,597.40 : 4,710,896.10 = 1,121,121.60 : x
  2. Step 2: Convert to fraction form
    3,140,597.40/4,710,896.10 = 1,121,121.60/x
  3. Step 3: Cross multiply
    3,140,597.40x = 4,710,896.10 × 1,121,121.60
  4. Step 4: Simplify right side
    3,140,597.40x = 5,281,487,373,065.76
  5. Step 5: Solve for x
    x = 5,281,487,373,065.76/3,140,597.40
  6. Step 6: Final answer
    x = 1,681,682.40

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Similar ratio
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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.