Home / 2,752,043.70-4,128,065.55-858,539.10

Finding the Fourth Proportional to 2,752,043.70, 4,128,065.55 and 858,539.10

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Solution

The fourth proportional to 2,752,043.70, 4,128,065.55 and 858,539.10 is: 1,287,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,043.70 : 4,128,065.55 = 858,539.10 : x
  2. Step 2: Convert to fraction form
    2,752,043.70/4,128,065.55 = 858,539.10/x
  3. Step 3: Cross multiply
    2,752,043.70x = 4,128,065.55 × 858,539.10
  4. Step 4: Simplify right side
    2,752,043.70x = 3,544,105,682,038.01
  5. Step 5: Solve for x
    x = 3,544,105,682,038.01/2,752,043.70
  6. Step 6: Final answer
    x = 1,287,808.65

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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.