Home / 1,549,161.57-2,137,800.34-860,815.65

Finding the Fourth Proportional to 1,549,161.57, 2,137,800.34 and 860,815.65

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Solution

The fourth proportional to 1,549,161.57, 2,137,800.34 and 860,815.65 is: 1,187,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,161.57 : 2,137,800.34 = 860,815.65 : x
  2. Step 2: Convert to fraction form
    1,549,161.57/2,137,800.34 = 860,815.65/x
  3. Step 3: Cross multiply
    1,549,161.57x = 2,137,800.34 × 860,815.65
  4. Step 4: Simplify right side
    1,549,161.57x = 1,840,251,989,247.32
  5. Step 5: Solve for x
    x = 1,840,251,989,247.32/1,549,161.57
  6. Step 6: Final answer
    x = 1,187,901.91

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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.