Home / 1,887,235.40-2,828,053.72-1,386,149.96

Finding the Fourth Proportional to 1,887,235.40, 2,828,053.72 and 1,386,149.96

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Solution

The fourth proportional to 1,887,235.40, 2,828,053.72 and 1,386,149.96 is: 2,077,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,235.40 : 2,828,053.72 = 1,386,149.96 : x
  2. Step 2: Convert to fraction form
    1,887,235.40/2,828,053.72 = 1,386,149.96/x
  3. Step 3: Cross multiply
    1,887,235.40x = 2,828,053.72 × 1,386,149.96
  4. Step 4: Simplify right side
    1,887,235.40x = 3,920,106,550,855.85
  5. Step 5: Solve for x
    x = 3,920,106,550,855.85/1,887,235.40
  6. Step 6: Final answer
    x = 2,077,168.83

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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.