Home / 1,937,700.30-2,899,661.40-1,687,726.20

Finding the Fourth Proportional to 1,937,700.30, 2,899,661.40 and 1,687,726.20

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Solution

The fourth proportional to 1,937,700.30, 2,899,661.40 and 1,687,726.20 is: 2,525,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,700.30 : 2,899,661.40 = 1,687,726.20 : x
  2. Step 2: Convert to fraction form
    1,937,700.30/2,899,661.40 = 1,687,726.20/x
  3. Step 3: Cross multiply
    1,937,700.30x = 2,899,661.40 × 1,687,726.20
  4. Step 4: Simplify right side
    1,937,700.30x = 4,893,834,515,908.68
  5. Step 5: Solve for x
    x = 4,893,834,515,908.68/1,937,700.30
  6. Step 6: Final answer
    x = 2,525,588.98

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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.