Home / 5,202,902-7,180,004.76-2,911,505.56

Finding the Fourth Proportional to 5,202,902, 7,180,004.76 and 2,911,505.56

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Solution

The fourth proportional to 5,202,902, 7,180,004.76 and 2,911,505.56 is: 4,017,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,202,902 : 7,180,004.76 = 2,911,505.56 : x
  2. Step 2: Convert to fraction form
    5,202,902/7,180,004.76 = 2,911,505.56/x
  3. Step 3: Cross multiply
    5,202,902x = 7,180,004.76 × 2,911,505.56
  4. Step 4: Simplify right side
    5,202,902x = 20,904,623,779,566.46
  5. Step 5: Solve for x
    x = 20,904,623,779,566.46/5,202,902
  6. Step 6: Final answer
    x = 4,017,877.67

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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.