Home / 5,329,678.80-7,994,518.20-1,340,590.80

Finding the Fourth Proportional to 5,329,678.80, 7,994,518.20 and 1,340,590.80

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Solution

The fourth proportional to 5,329,678.80, 7,994,518.20 and 1,340,590.80 is: 2,010,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,678.80 : 7,994,518.20 = 1,340,590.80 : x
  2. Step 2: Convert to fraction form
    5,329,678.80/7,994,518.20 = 1,340,590.80/x
  3. Step 3: Cross multiply
    5,329,678.80x = 7,994,518.20 × 1,340,590.80
  4. Step 4: Simplify right side
    5,329,678.80x = 10,717,377,549,352.56
  5. Step 5: Solve for x
    x = 10,717,377,549,352.56/5,329,678.80
  6. Step 6: Final answer
    x = 2,010,886.20

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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.