Home / 2,990,314.80-4,486,159.08-860,416.56

Finding the Fourth Proportional to 2,990,314.80, 4,486,159.08 and 860,416.56

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Solution

The fourth proportional to 2,990,314.80, 4,486,159.08 and 860,416.56 is: 1,290,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,314.80 : 4,486,159.08 = 860,416.56 : x
  2. Step 2: Convert to fraction form
    2,990,314.80/4,486,159.08 = 860,416.56/x
  3. Step 3: Cross multiply
    2,990,314.80x = 4,486,159.08 × 860,416.56
  4. Step 4: Simplify right side
    2,990,314.80x = 3,859,965,563,226.37
  5. Step 5: Solve for x
    x = 3,859,965,563,226.37/2,990,314.80
  6. Step 6: Final answer
    x = 1,290,822.48

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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.