Home / 2,897,130.88-3,997,980.48-1,607,895.68

Finding the Fourth Proportional to 2,897,130.88, 3,997,980.48 and 1,607,895.68

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Solution

The fourth proportional to 2,897,130.88, 3,997,980.48 and 1,607,895.68 is: 2,218,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,130.88 : 3,997,980.48 = 1,607,895.68 : x
  2. Step 2: Convert to fraction form
    2,897,130.88/3,997,980.48 = 1,607,895.68/x
  3. Step 3: Cross multiply
    2,897,130.88x = 3,997,980.48 × 1,607,895.68
  4. Step 4: Simplify right side
    2,897,130.88x = 6,428,335,542,516.33
  5. Step 5: Solve for x
    x = 6,428,335,542,516.33/2,897,130.88
  6. Step 6: Final answer
    x = 2,218,862.66

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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.