Home / 1,926,161.48-2,656,822.95-1,238,702.48

Finding the Fourth Proportional to 1,926,161.48, 2,656,822.95 and 1,238,702.48

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Solution

The fourth proportional to 1,926,161.48, 2,656,822.95 and 1,238,702.48 is: 1,708,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,161.48 : 2,656,822.95 = 1,238,702.48 : x
  2. Step 2: Convert to fraction form
    1,926,161.48/2,656,822.95 = 1,238,702.48/x
  3. Step 3: Cross multiply
    1,926,161.48x = 2,656,822.95 × 1,238,702.48
  4. Step 4: Simplify right side
    1,926,161.48x = 3,291,013,170,892.40
  5. Step 5: Solve for x
    x = 3,291,013,170,892.40/1,926,161.48
  6. Step 6: Final answer
    x = 1,708,586.33

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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.