Home / 5,078,042.34-7,007,697.67-2,902,632.21

Finding the Fourth Proportional to 5,078,042.34, 7,007,697.67 and 2,902,632.21

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Solution

The fourth proportional to 5,078,042.34, 7,007,697.67 and 2,902,632.21 is: 4,005,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078,042.34 : 7,007,697.67 = 2,902,632.21 : x
  2. Step 2: Convert to fraction form
    5,078,042.34/7,007,697.67 = 2,902,632.21/x
  3. Step 3: Cross multiply
    5,078,042.34x = 7,007,697.67 × 2,902,632.21
  4. Step 4: Simplify right side
    5,078,042.34x = 20,340,768,974,883.95
  5. Step 5: Solve for x
    x = 20,340,768,974,883.95/5,078,042.34
  6. Step 6: Final answer
    x = 4,005,632.02

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1.5x scale

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.