Home / 4,586,947.80-6,878,672.10-1,391,011.80

Finding the Fourth Proportional to 4,586,947.80, 6,878,672.10 and 1,391,011.80

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Solution

The fourth proportional to 4,586,947.80, 6,878,672.10 and 1,391,011.80 is: 2,085,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586,947.80 : 6,878,672.10 = 1,391,011.80 : x
  2. Step 2: Convert to fraction form
    4,586,947.80/6,878,672.10 = 1,391,011.80/x
  3. Step 3: Cross multiply
    4,586,947.80x = 6,878,672.10 × 1,391,011.80
  4. Step 4: Simplify right side
    4,586,947.80x = 9,568,314,059,430.78
  5. Step 5: Solve for x
    x = 9,568,314,059,430.78/4,586,947.80
  6. Step 6: Final answer
    x = 2,085,987.13

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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.