Home / 1,915,529.88-2,643,449.94-1,056,124.20

Finding the Fourth Proportional to 1,915,529.88, 2,643,449.94 and 1,056,124.20

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Solution

The fourth proportional to 1,915,529.88, 2,643,449.94 and 1,056,124.20 is: 1,457,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,529.88 : 2,643,449.94 = 1,056,124.20 : x
  2. Step 2: Convert to fraction form
    1,915,529.88/2,643,449.94 = 1,056,124.20/x
  3. Step 3: Cross multiply
    1,915,529.88x = 2,643,449.94 × 1,056,124.20
  4. Step 4: Simplify right side
    1,915,529.88x = 2,791,811,453,122.55
  5. Step 5: Solve for x
    x = 2,791,811,453,122.55/1,915,529.88
  6. Step 6: Final answer
    x = 1,457,461.71

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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.