Home / 5,281,775.60-7,928,568.30-4,088,985.80

Finding the Fourth Proportional to 5,281,775.60, 7,928,568.30 and 4,088,985.80

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Solution

The fourth proportional to 5,281,775.60, 7,928,568.30 and 4,088,985.80 is: 6,138,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281,775.60 : 7,928,568.30 = 4,088,985.80 : x
  2. Step 2: Convert to fraction form
    5,281,775.60/7,928,568.30 = 4,088,985.80/x
  3. Step 3: Cross multiply
    5,281,775.60x = 7,928,568.30 × 4,088,985.80
  4. Step 4: Simplify right side
    5,281,775.60x = 32,419,803,193,030.14
  5. Step 5: Solve for x
    x = 32,419,803,193,030.14/5,281,775.60
  6. Step 6: Final answer
    x = 6,138,050.09

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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.