Home / 3,943,987.32-5,916,634.74-1,384,538.52

Finding the Fourth Proportional to 3,943,987.32, 5,916,634.74 and 1,384,538.52

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Solution

The fourth proportional to 3,943,987.32, 5,916,634.74 and 1,384,538.52 is: 2,077,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,987.32 : 5,916,634.74 = 1,384,538.52 : x
  2. Step 2: Convert to fraction form
    3,943,987.32/5,916,634.74 = 1,384,538.52/x
  3. Step 3: Cross multiply
    3,943,987.32x = 5,916,634.74 × 1,384,538.52
  4. Step 4: Simplify right side
    3,943,987.32x = 8,191,808,706,300.19
  5. Step 5: Solve for x
    x = 8,191,808,706,300.19/3,943,987.32
  6. Step 6: Final answer
    x = 2,077,037.28

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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.