Home / 4,122,866.16-5,688,392.40-2,672,622.72

Finding the Fourth Proportional to 4,122,866.16, 5,688,392.40 and 2,672,622.72

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Solution

The fourth proportional to 4,122,866.16, 5,688,392.40 and 2,672,622.72 is: 3,687,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122,866.16 : 5,688,392.40 = 2,672,622.72 : x
  2. Step 2: Convert to fraction form
    4,122,866.16/5,688,392.40 = 2,672,622.72/x
  3. Step 3: Cross multiply
    4,122,866.16x = 5,688,392.40 × 2,672,622.72
  4. Step 4: Simplify right side
    4,122,866.16x = 15,202,926,768,515.33
  5. Step 5: Solve for x
    x = 15,202,926,768,515.33/4,122,866.16
  6. Step 6: Final answer
    x = 3,687,465.51

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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.