Home / 5,286,712.20-7,921,210.95-4,524,980.10

Finding the Fourth Proportional to 5,286,712.20, 7,921,210.95 and 4,524,980.10

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Solution

The fourth proportional to 5,286,712.20, 7,921,210.95 and 4,524,980.10 is: 6,779,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,712.20 : 7,921,210.95 = 4,524,980.10 : x
  2. Step 2: Convert to fraction form
    5,286,712.20/7,921,210.95 = 4,524,980.10/x
  3. Step 3: Cross multiply
    5,286,712.20x = 7,921,210.95 × 4,524,980.10
  4. Step 4: Simplify right side
    5,286,712.20x = 35,843,321,916,652.09
  5. Step 5: Solve for x
    x = 35,843,321,916,652.09/5,286,712.20
  6. Step 6: Final answer
    x = 6,779,889.00

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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.