Home / 5,136,906.65-7,088,510.61-2,931,758.64

Finding the Fourth Proportional to 5,136,906.65, 7,088,510.61 and 2,931,758.64

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Solution

The fourth proportional to 5,136,906.65, 7,088,510.61 and 2,931,758.64 is: 4,045,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136,906.65 : 7,088,510.61 = 2,931,758.64 : x
  2. Step 2: Convert to fraction form
    5,136,906.65/7,088,510.61 = 2,931,758.64/x
  3. Step 3: Cross multiply
    5,136,906.65x = 7,088,510.61 × 2,931,758.64
  4. Step 4: Simplify right side
    5,136,906.65x = 20,781,802,225,599.17
  5. Step 5: Solve for x
    x = 20,781,802,225,599.17/5,136,906.65
  6. Step 6: Final answer
    x = 4,045,586.90

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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.