Home / 1,549,161.69-2,137,800.51-860,815.77

Finding the Fourth Proportional to 1,549,161.69, 2,137,800.51 and 860,815.77

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Solution

The fourth proportional to 1,549,161.69, 2,137,800.51 and 860,815.77 is: 1,187,902.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,161.69 : 2,137,800.51 = 860,815.77 : x
  2. Step 2: Convert to fraction form
    1,549,161.69/2,137,800.51 = 860,815.77/x
  3. Step 3: Cross multiply
    1,549,161.69x = 2,137,800.51 × 860,815.77
  4. Step 4: Simplify right side
    1,549,161.69x = 1,840,252,392,122.04
  5. Step 5: Solve for x
    x = 1,840,252,392,122.04/1,549,161.69
  6. Step 6: Final answer
    x = 1,187,902.08

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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.