Home / 3,143,762.16-4,338,391.86-1,712,978.16

Finding the Fourth Proportional to 3,143,762.16, 4,338,391.86 and 1,712,978.16

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Solution

The fourth proportional to 3,143,762.16, 4,338,391.86 and 1,712,978.16 is: 2,363,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,762.16 : 4,338,391.86 = 1,712,978.16 : x
  2. Step 2: Convert to fraction form
    3,143,762.16/4,338,391.86 = 1,712,978.16/x
  3. Step 3: Cross multiply
    3,143,762.16x = 4,338,391.86 × 1,712,978.16
  4. Step 4: Simplify right side
    3,143,762.16x = 7,431,570,505,701.78
  5. Step 5: Solve for x
    x = 7,431,570,505,701.78/3,143,762.16
  6. Step 6: Final answer
    x = 2,363,909.90

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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.