Home / 2,681,159.28-3,699,716.76-1,535,132.40

Finding the Fourth Proportional to 2,681,159.28, 3,699,716.76 and 1,535,132.40

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Solution

The fourth proportional to 2,681,159.28, 3,699,716.76 and 1,535,132.40 is: 2,118,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,159.28 : 3,699,716.76 = 1,535,132.40 : x
  2. Step 2: Convert to fraction form
    2,681,159.28/3,699,716.76 = 1,535,132.40/x
  3. Step 3: Cross multiply
    2,681,159.28x = 3,699,716.76 × 1,535,132.40
  4. Step 4: Simplify right side
    2,681,159.28x = 5,679,555,069,099.02
  5. Step 5: Solve for x
    x = 5,679,555,069,099.02/2,681,159.28
  6. Step 6: Final answer
    x = 2,118,320.65

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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.