Home / 1,887,239.16-2,828,059.38-1,386,153.72

Finding the Fourth Proportional to 1,887,239.16, 2,828,059.38 and 1,386,153.72

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Solution

The fourth proportional to 1,887,239.16, 2,828,059.38 and 1,386,153.72 is: 2,077,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,239.16 : 2,828,059.38 = 1,386,153.72 : x
  2. Step 2: Convert to fraction form
    1,887,239.16/2,828,059.38 = 1,386,153.72/x
  3. Step 3: Cross multiply
    1,887,239.16x = 2,828,059.38 × 1,386,153.72
  4. Step 4: Simplify right side
    1,887,239.16x = 3,920,125,040,503.43
  5. Step 5: Solve for x
    x = 3,920,125,040,503.43/1,887,239.16
  6. Step 6: Final answer
    x = 2,077,174.49

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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.