Home / 2,589,961.92-3,574,191.87-1,428,541.53

Finding the Fourth Proportional to 2,589,961.92, 3,574,191.87 and 1,428,541.53

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Solution

The fourth proportional to 2,589,961.92, 3,574,191.87 and 1,428,541.53 is: 1,971,411.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,961.92 : 3,574,191.87 = 1,428,541.53 : x
  2. Step 2: Convert to fraction form
    2,589,961.92/3,574,191.87 = 1,428,541.53/x
  3. Step 3: Cross multiply
    2,589,961.92x = 3,574,191.87 × 1,428,541.53
  4. Step 4: Simplify right side
    2,589,961.92x = 5,105,881,522,483.36
  5. Step 5: Solve for x
    x = 5,105,881,522,483.36/2,589,961.92
  6. Step 6: Final answer
    x = 1,971,411.81

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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.