Home / 5,136,912.15-7,088,518.20-2,931,764.14

Finding the Fourth Proportional to 5,136,912.15, 7,088,518.20 and 2,931,764.14

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Solution

The fourth proportional to 5,136,912.15, 7,088,518.20 and 2,931,764.14 is: 4,045,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,912.15 : 7,088,518.20 = 2,931,764.14 : x
  2. Step 2: Convert to fraction form
    5,136,912.15/7,088,518.20 = 2,931,764.14/x
  3. Step 3: Cross multiply
    5,136,912.15x = 7,088,518.20 × 2,931,764.14
  4. Step 4: Simplify right side
    5,136,912.15x = 20,781,863,464,497.35
  5. Step 5: Solve for x
    x = 20,781,863,464,497.35/5,136,912.15
  6. Step 6: Final answer
    x = 4,045,594.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.