Home / 1,772,715.90-2,655,963.45-1,455,455.10

Finding the Fourth Proportional to 1,772,715.90, 2,655,963.45 and 1,455,455.10

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Solution

The fourth proportional to 1,772,715.90, 2,655,963.45 and 1,455,455.10 is: 2,180,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,715.90 : 2,655,963.45 = 1,455,455.10 : x
  2. Step 2: Convert to fraction form
    1,772,715.90/2,655,963.45 = 1,455,455.10/x
  3. Step 3: Cross multiply
    1,772,715.90x = 2,655,963.45 × 1,455,455.10
  4. Step 4: Simplify right side
    1,772,715.90x = 3,865,635,548,716.10
  5. Step 5: Solve for x
    x = 3,865,635,548,716.10/1,772,715.90
  6. Step 6: Final answer
    x = 2,180,628.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.