Home / 3,143,763.66-4,338,393.93-1,712,979.66

Finding the Fourth Proportional to 3,143,763.66, 4,338,393.93 and 1,712,979.66

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Solution

The fourth proportional to 3,143,763.66, 4,338,393.93 and 1,712,979.66 is: 2,363,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,763.66 : 4,338,393.93 = 1,712,979.66 : x
  2. Step 2: Convert to fraction form
    3,143,763.66/4,338,393.93 = 1,712,979.66/x
  3. Step 3: Cross multiply
    3,143,763.66x = 4,338,393.93 × 1,712,979.66
  4. Step 4: Simplify right side
    3,143,763.66x = 7,431,580,559,157.46
  5. Step 5: Solve for x
    x = 7,431,580,559,157.46/3,143,763.66
  6. Step 6: Final answer
    x = 2,363,911.97

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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.