Home / 3,830,011.40-5,285,256.68-2,087,642.45

Finding the Fourth Proportional to 3,830,011.40, 5,285,256.68 and 2,087,642.45

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Solution

The fourth proportional to 3,830,011.40, 5,285,256.68 and 2,087,642.45 is: 2,880,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,011.40 : 5,285,256.68 = 2,087,642.45 : x
  2. Step 2: Convert to fraction form
    3,830,011.40/5,285,256.68 = 2,087,642.45/x
  3. Step 3: Cross multiply
    3,830,011.40x = 5,285,256.68 × 2,087,642.45
  4. Step 4: Simplify right side
    3,830,011.40x = 11,033,726,167,449.57
  5. Step 5: Solve for x
    x = 11,033,726,167,449.57/3,830,011.40
  6. Step 6: Final answer
    x = 2,880,859.88

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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.