Home / 1,707,321.47-2,357,148.85-1,625,387.51

Finding the Fourth Proportional to 1,707,321.47, 2,357,148.85 and 1,625,387.51

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Solution

The fourth proportional to 1,707,321.47, 2,357,148.85 and 1,625,387.51 is: 2,244,029.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,321.47 : 2,357,148.85 = 1,625,387.51 : x
  2. Step 2: Convert to fraction form
    1,707,321.47/2,357,148.85 = 1,625,387.51/x
  3. Step 3: Cross multiply
    1,707,321.47x = 2,357,148.85 × 1,625,387.51
  4. Step 4: Simplify right side
    1,707,321.47x = 3,831,280,310,973.07
  5. Step 5: Solve for x
    x = 3,831,280,310,973.07/1,707,321.47
  6. Step 6: Final answer
    x = 2,244,029.83

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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.