Home / 3,044,150.76-4,200,434.40-1,820,961.72

Finding the Fourth Proportional to 3,044,150.76, 4,200,434.40 and 1,820,961.72

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Solution

The fourth proportional to 3,044,150.76, 4,200,434.40 and 1,820,961.72 is: 2,512,631.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,044,150.76 : 4,200,434.40 = 1,820,961.72 : x
  2. Step 2: Convert to fraction form
    3,044,150.76/4,200,434.40 = 1,820,961.72/x
  3. Step 3: Cross multiply
    3,044,150.76x = 4,200,434.40 × 1,820,961.72
  4. Step 4: Simplify right side
    3,044,150.76x = 7,648,830,249,771.17
  5. Step 5: Solve for x
    x = 7,648,830,249,771.17/3,044,150.76
  6. Step 6: Final answer
    x = 2,512,631.88

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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.