Home / 3,178,955.85-4,386,825.52-1,802,392.17

Finding the Fourth Proportional to 3,178,955.85, 4,386,825.52 and 1,802,392.17

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Solution

The fourth proportional to 3,178,955.85, 4,386,825.52 and 1,802,392.17 is: 2,487,225.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,955.85 : 4,386,825.52 = 1,802,392.17 : x
  2. Step 2: Convert to fraction form
    3,178,955.85/4,386,825.52 = 1,802,392.17/x
  3. Step 3: Cross multiply
    3,178,955.85x = 4,386,825.52 × 1,802,392.17
  4. Step 4: Simplify right side
    3,178,955.85x = 7,906,779,968,404.18
  5. Step 5: Solve for x
    x = 7,906,779,968,404.18/3,178,955.85
  6. Step 6: Final answer
    x = 2,487,225.47

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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.