Home / 1,861,880.16-2,569,686.48-1,098,017.76

Finding the Fourth Proportional to 1,861,880.16, 2,569,686.48 and 1,098,017.76

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Solution

The fourth proportional to 1,861,880.16, 2,569,686.48 and 1,098,017.76 is: 1,515,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,880.16 : 2,569,686.48 = 1,098,017.76 : x
  2. Step 2: Convert to fraction form
    1,861,880.16/2,569,686.48 = 1,098,017.76/x
  3. Step 3: Cross multiply
    1,861,880.16x = 2,569,686.48 × 1,098,017.76
  4. Step 4: Simplify right side
    1,861,880.16x = 2,821,561,392,671.89
  5. Step 5: Solve for x
    x = 2,821,561,392,671.89/1,861,880.16
  6. Step 6: Final answer
    x = 1,515,436.63

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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.