Home / 4,828,987.70-7,243,481.55-4,758,128.90

Finding the Fourth Proportional to 4,828,987.70, 7,243,481.55 and 4,758,128.90

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Solution

The fourth proportional to 4,828,987.70, 7,243,481.55 and 4,758,128.90 is: 7,137,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828,987.70 : 7,243,481.55 = 4,758,128.90 : x
  2. Step 2: Convert to fraction form
    4,828,987.70/7,243,481.55 = 4,758,128.90/x
  3. Step 3: Cross multiply
    4,828,987.70x = 7,243,481.55 × 4,758,128.90
  4. Step 4: Simplify right side
    4,828,987.70x = 34,465,418,899,671.80
  5. Step 5: Solve for x
    x = 34,465,418,899,671.80/4,828,987.70
  6. Step 6: Final answer
    x = 7,137,193.35

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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.