Home / 5,423,458.20-8,138,412.90-2,058,005.40

Finding the Fourth Proportional to 5,423,458.20, 8,138,412.90 and 2,058,005.40

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Solution

The fourth proportional to 5,423,458.20, 8,138,412.90 and 2,058,005.40 is: 3,088,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,458.20 : 8,138,412.90 = 2,058,005.40 : x
  2. Step 2: Convert to fraction form
    5,423,458.20/8,138,412.90 = 2,058,005.40/x
  3. Step 3: Cross multiply
    5,423,458.20x = 8,138,412.90 × 2,058,005.40
  4. Step 4: Simplify right side
    5,423,458.20x = 16,748,897,695,629.66
  5. Step 5: Solve for x
    x = 16,748,897,695,629.66/5,423,458.20
  6. Step 6: Final answer
    x = 3,088,232.10

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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.