Home / 5,762,719.20-8,638,071.84-2,166,008.16

Finding the Fourth Proportional to 5,762,719.20, 8,638,071.84 and 2,166,008.16

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Solution

The fourth proportional to 5,762,719.20, 8,638,071.84 and 2,166,008.16 is: 3,246,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,762,719.20 : 8,638,071.84 = 2,166,008.16 : x
  2. Step 2: Convert to fraction form
    5,762,719.20/8,638,071.84 = 2,166,008.16/x
  3. Step 3: Cross multiply
    5,762,719.20x = 8,638,071.84 × 2,166,008.16
  4. Step 4: Simplify right side
    5,762,719.20x = 18,710,134,092,106.21
  5. Step 5: Solve for x
    x = 18,710,134,092,106.21/5,762,719.20
  6. Step 6: Final answer
    x = 3,246,754.43

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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.