Home / 3,611,707.17-4,984,023.64-1,980,078.76

Finding the Fourth Proportional to 3,611,707.17, 4,984,023.64 and 1,980,078.76

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Solution

The fourth proportional to 3,611,707.17, 4,984,023.64 and 1,980,078.76 is: 2,732,436.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611,707.17 : 4,984,023.64 = 1,980,078.76 : x
  2. Step 2: Convert to fraction form
    3,611,707.17/4,984,023.64 = 1,980,078.76/x
  3. Step 3: Cross multiply
    3,611,707.17x = 4,984,023.64 × 1,980,078.76
  4. Step 4: Simplify right side
    3,611,707.17x = 9,868,759,339,001.49
  5. Step 5: Solve for x
    x = 9,868,759,339,001.49/3,611,707.17
  6. Step 6: Final answer
    x = 2,732,436.18

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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.