Home / 5,364,862.80-8,042,045.40-2,165,719.20

Finding the Fourth Proportional to 5,364,862.80, 8,042,045.40 and 2,165,719.20

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Solution

The fourth proportional to 5,364,862.80, 8,042,045.40 and 2,165,719.20 is: 3,246,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,862.80 : 8,042,045.40 = 2,165,719.20 : x
  2. Step 2: Convert to fraction form
    5,364,862.80/8,042,045.40 = 2,165,719.20/x
  3. Step 3: Cross multiply
    5,364,862.80x = 8,042,045.40 × 2,165,719.20
  4. Step 4: Simplify right side
    5,364,862.80x = 17,416,812,130,051.68
  5. Step 5: Solve for x
    x = 17,416,812,130,051.68/5,364,862.80
  6. Step 6: Final answer
    x = 3,246,459.93

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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.