Home / 2,266,869.16-3,128,279.14-1,248,271.40

Finding the Fourth Proportional to 2,266,869.16, 3,128,279.14 and 1,248,271.40

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Solution

The fourth proportional to 2,266,869.16, 3,128,279.14 and 1,248,271.40 is: 1,722,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266,869.16 : 3,128,279.14 = 1,248,271.40 : x
  2. Step 2: Convert to fraction form
    2,266,869.16/3,128,279.14 = 1,248,271.40/x
  3. Step 3: Cross multiply
    2,266,869.16x = 3,128,279.14 × 1,248,271.40
  4. Step 4: Simplify right side
    2,266,869.16x = 3,904,941,381,678.60
  5. Step 5: Solve for x
    x = 3,904,941,381,678.60/2,266,869.16
  6. Step 6: Final answer
    x = 1,722,614.37

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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.