Home / 2,431,656.65-3,355,815.95-1,399,321.58

Finding the Fourth Proportional to 2,431,656.65, 3,355,815.95 and 1,399,321.58

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Solution

The fourth proportional to 2,431,656.65, 3,355,815.95 and 1,399,321.58 is: 1,931,138.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431,656.65 : 3,355,815.95 = 1,399,321.58 : x
  2. Step 2: Convert to fraction form
    2,431,656.65/3,355,815.95 = 1,399,321.58/x
  3. Step 3: Cross multiply
    2,431,656.65x = 3,355,815.95 × 1,399,321.58
  4. Step 4: Simplify right side
    2,431,656.65x = 4,695,865,662,750.56
  5. Step 5: Solve for x
    x = 4,695,865,662,750.56/2,431,656.65
  6. Step 6: Final answer
    x = 1,931,138.45

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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.