Home / 7,170,621.38-10,756,582.40-1,983,555.89

Finding the Fourth Proportional to 7,170,621.38, 10,756,582.40 and 1,983,555.89

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Solution

The fourth proportional to 7,170,621.38, 10,756,582.40 and 1,983,555.89 is: 2,975,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,621.38 : 10,756,582.40 = 1,983,555.89 : x
  2. Step 2: Convert to fraction form
    7,170,621.38/10,756,582.40 = 1,983,555.89/x
  3. Step 3: Cross multiply
    7,170,621.38x = 10,756,582.40 × 1,983,555.89
  4. Step 4: Simplify right side
    7,170,621.38x = 21,336,282,397,722.91
  5. Step 5: Solve for x
    x = 21,336,282,397,722.91/7,170,621.38
  6. Step 6: Final answer
    x = 2,975,513.74

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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.