Home / 2,686,586.40-4,029,879.60-889,747.20

Finding the Fourth Proportional to 2,686,586.40, 4,029,879.60 and 889,747.20

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Solution

The fourth proportional to 2,686,586.40, 4,029,879.60 and 889,747.20 is: 1,334,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,586.40 : 4,029,879.60 = 889,747.20 : x
  2. Step 2: Convert to fraction form
    2,686,586.40/4,029,879.60 = 889,747.20/x
  3. Step 3: Cross multiply
    2,686,586.40x = 4,029,879.60 × 889,747.20
  4. Step 4: Simplify right side
    2,686,586.40x = 3,585,574,090,437.12
  5. Step 5: Solve for x
    x = 3,585,574,090,437.12/2,686,586.40
  6. Step 6: Final answer
    x = 1,334,620.80

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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.