Home / 1,627,672.20-2,442,674.70-916,945.80

Finding the Fourth Proportional to 1,627,672.20, 2,442,674.70 and 916,945.80

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Solution

The fourth proportional to 1,627,672.20, 2,442,674.70 and 916,945.80 is: 1,376,075.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,672.20 : 2,442,674.70 = 916,945.80 : x
  2. Step 2: Convert to fraction form
    1,627,672.20/2,442,674.70 = 916,945.80/x
  3. Step 3: Cross multiply
    1,627,672.20x = 2,442,674.70 × 916,945.80
  4. Step 4: Simplify right side
    1,627,672.20x = 2,239,800,306,931.26
  5. Step 5: Solve for x
    x = 2,239,800,306,931.26/1,627,672.20
  6. Step 6: Final answer
    x = 1,376,075.79

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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.