Home / 5,640,010.80-8,460,016.20-1,853,876.40

Finding the Fourth Proportional to 5,640,010.80, 8,460,016.20 and 1,853,876.40

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Solution

The fourth proportional to 5,640,010.80, 8,460,016.20 and 1,853,876.40 is: 2,780,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,010.80 : 8,460,016.20 = 1,853,876.40 : x
  2. Step 2: Convert to fraction form
    5,640,010.80/8,460,016.20 = 1,853,876.40/x
  3. Step 3: Cross multiply
    5,640,010.80x = 8,460,016.20 × 1,853,876.40
  4. Step 4: Simplify right side
    5,640,010.80x = 15,683,824,376,797.68
  5. Step 5: Solve for x
    x = 15,683,824,376,797.68/5,640,010.80
  6. Step 6: Final answer
    x = 2,780,814.60

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1.5x scale

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.