Home / 3,611,671.29-4,983,974.13-1,980,042.86

Finding the Fourth Proportional to 3,611,671.29, 4,983,974.13 and 1,980,042.86

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Solution

The fourth proportional to 3,611,671.29, 4,983,974.13 and 1,980,042.86 is: 2,732,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,671.29 : 4,983,974.13 = 1,980,042.86 : x
  2. Step 2: Convert to fraction form
    3,611,671.29/4,983,974.13 = 1,980,042.86/x
  3. Step 3: Cross multiply
    3,611,671.29x = 4,983,974.13 × 1,980,042.86
  4. Step 4: Simplify right side
    3,611,671.29x = 9,868,482,358,186.18
  5. Step 5: Solve for x
    x = 9,868,482,358,186.18/3,611,671.29
  6. Step 6: Final answer
    x = 2,732,386.63

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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.