Home / 3,178,076.12-4,385,653.74-1,801,547.18

Finding the Fourth Proportional to 3,178,076.12, 4,385,653.74 and 1,801,547.18

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Solution

The fourth proportional to 3,178,076.12, 4,385,653.74 and 1,801,547.18 is: 2,486,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,076.12 : 4,385,653.74 = 1,801,547.18 : x
  2. Step 2: Convert to fraction form
    3,178,076.12/4,385,653.74 = 1,801,547.18/x
  3. Step 3: Cross multiply
    3,178,076.12x = 4,385,653.74 × 1,801,547.18
  4. Step 4: Simplify right side
    3,178,076.12x = 7,900,962,127,753.45
  5. Step 5: Solve for x
    x = 7,900,962,127,753.45/3,178,076.12
  6. Step 6: Final answer
    x = 2,486,083.35

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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.