Home / 5,917,381.60-8,869,948.80-3,215,999.20

Finding the Fourth Proportional to 5,917,381.60, 8,869,948.80 and 3,215,999.20

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Solution

The fourth proportional to 5,917,381.60, 8,869,948.80 and 3,215,999.20 is: 4,820,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917,381.60 : 8,869,948.80 = 3,215,999.20 : x
  2. Step 2: Convert to fraction form
    5,917,381.60/8,869,948.80 = 3,215,999.20/x
  3. Step 3: Cross multiply
    5,917,381.60x = 8,869,948.80 × 3,215,999.20
  4. Step 4: Simplify right side
    5,917,381.60x = 28,525,748,244,840.96
  5. Step 5: Solve for x
    x = 28,525,748,244,840.96/5,917,381.60
  6. Step 6: Final answer
    x = 4,820,670.72

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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.