Home / 4,260,074.40-6,390,111.60-3,140,330.40

Finding the Fourth Proportional to 4,260,074.40, 6,390,111.60 and 3,140,330.40

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Solution

The fourth proportional to 4,260,074.40, 6,390,111.60 and 3,140,330.40 is: 4,710,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260,074.40 : 6,390,111.60 = 3,140,330.40 : x
  2. Step 2: Convert to fraction form
    4,260,074.40/6,390,111.60 = 3,140,330.40/x
  3. Step 3: Cross multiply
    4,260,074.40x = 6,390,111.60 × 3,140,330.40
  4. Step 4: Simplify right side
    4,260,074.40x = 20,067,061,716,872.64
  5. Step 5: Solve for x
    x = 20,067,061,716,872.64/4,260,074.40
  6. Step 6: Final answer
    x = 4,710,495.60

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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.