Home / 4,920,380.69-7,380,072.68-1,326,510.93

Finding the Fourth Proportional to 4,920,380.69, 7,380,072.68 and 1,326,510.93

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Solution

The fourth proportional to 4,920,380.69, 7,380,072.68 and 1,326,510.93 is: 1,989,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,380.69 : 7,380,072.68 = 1,326,510.93 : x
  2. Step 2: Convert to fraction form
    4,920,380.69/7,380,072.68 = 1,326,510.93/x
  3. Step 3: Cross multiply
    4,920,380.69x = 7,380,072.68 × 1,326,510.93
  4. Step 4: Simplify right side
    4,920,380.69x = 9,789,747,074,214.39
  5. Step 5: Solve for x
    x = 9,789,747,074,214.39/4,920,380.69
  6. Step 6: Final answer
    x = 1,989,632.04

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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.