Home / 3,640,240.80-5,024,531.52-2,112,840

Finding the Fourth Proportional to 3,640,240.80, 5,024,531.52 and 2,112,840

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Solution

The fourth proportional to 3,640,240.80, 5,024,531.52 and 2,112,840 is: 2,916,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,240.80 : 5,024,531.52 = 2,112,840 : x
  2. Step 2: Convert to fraction form
    3,640,240.80/5,024,531.52 = 2,112,840/x
  3. Step 3: Cross multiply
    3,640,240.80x = 5,024,531.52 × 2,112,840
  4. Step 4: Simplify right side
    3,640,240.80x = 10,616,031,176,716.80
  5. Step 5: Solve for x
    x = 10,616,031,176,716.80/3,640,240.80
  6. Step 6: Final answer
    x = 2,916,299.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.