Home / 3,878,335-5,818,132.86-1,146,159.64

Finding the Fourth Proportional to 3,878,335, 5,818,132.86 and 1,146,159.64

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Solution

The fourth proportional to 3,878,335, 5,818,132.86 and 1,146,159.64 is: 1,719,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,335 : 5,818,132.86 = 1,146,159.64 : x
  2. Step 2: Convert to fraction form
    3,878,335/5,818,132.86 = 1,146,159.64/x
  3. Step 3: Cross multiply
    3,878,335x = 5,818,132.86 × 1,146,159.64
  4. Step 4: Simplify right side
    3,878,335x = 6,668,509,064,289.77
  5. Step 5: Solve for x
    x = 6,668,509,064,289.77/3,878,335
  6. Step 6: Final answer
    x = 1,719,425.75

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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.