Home / 2,626,136.34-3,937,726.98-828,684.78

Finding the Fourth Proportional to 2,626,136.34, 3,937,726.98 and 828,684.78

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Solution

The fourth proportional to 2,626,136.34, 3,937,726.98 and 828,684.78 is: 1,242,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,136.34 : 3,937,726.98 = 828,684.78 : x
  2. Step 2: Convert to fraction form
    2,626,136.34/3,937,726.98 = 828,684.78/x
  3. Step 3: Cross multiply
    2,626,136.34x = 3,937,726.98 × 828,684.78
  4. Step 4: Simplify right side
    2,626,136.34x = 3,263,134,416,121.36
  5. Step 5: Solve for x
    x = 3,263,134,416,121.36/2,626,136.34
  6. Step 6: Final answer
    x = 1,242,560.93

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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.