Home / 3,143,768.16-4,338,400.20-1,712,984.16

Finding the Fourth Proportional to 3,143,768.16, 4,338,400.20 and 1,712,984.16

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Solution

The fourth proportional to 3,143,768.16, 4,338,400.20 and 1,712,984.16 is: 2,363,918.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,768.16 : 4,338,400.20 = 1,712,984.16 : x
  2. Step 2: Convert to fraction form
    3,143,768.16/4,338,400.20 = 1,712,984.16/x
  3. Step 3: Cross multiply
    3,143,768.16x = 4,338,400.20 × 1,712,984.16
  4. Step 4: Simplify right side
    3,143,768.16x = 7,431,610,822,340.83
  5. Step 5: Solve for x
    x = 7,431,610,822,340.83/3,143,768.16
  6. Step 6: Final answer
    x = 2,363,918.22

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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.