Home / 1,717,723.80-2,571,336.90-1,339,810.20

Finding the Fourth Proportional to 1,717,723.80, 2,571,336.90 and 1,339,810.20

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Solution

The fourth proportional to 1,717,723.80, 2,571,336.90 and 1,339,810.20 is: 2,005,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717,723.80 : 2,571,336.90 = 1,339,810.20 : x
  2. Step 2: Convert to fraction form
    1,717,723.80/2,571,336.90 = 1,339,810.20/x
  3. Step 3: Cross multiply
    1,717,723.80x = 2,571,336.90 × 1,339,810.20
  4. Step 4: Simplify right side
    1,717,723.80x = 3,445,103,406,256.38
  5. Step 5: Solve for x
    x = 3,445,103,406,256.38/1,717,723.80
  6. Step 6: Final answer
    x = 2,005,621.28

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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.