Home / 2,077,689.40-3,116,534.10-1,839,743.80

Finding the Fourth Proportional to 2,077,689.40, 3,116,534.10 and 1,839,743.80

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Solution

The fourth proportional to 2,077,689.40, 3,116,534.10 and 1,839,743.80 is: 2,759,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,689.40 : 3,116,534.10 = 1,839,743.80 : x
  2. Step 2: Convert to fraction form
    2,077,689.40/3,116,534.10 = 1,839,743.80/x
  3. Step 3: Cross multiply
    2,077,689.40x = 3,116,534.10 × 1,839,743.80
  4. Step 4: Simplify right side
    2,077,689.40x = 5,733,624,287,963.58
  5. Step 5: Solve for x
    x = 5,733,624,287,963.58/2,077,689.40
  6. Step 6: Final answer
    x = 2,759,615.70

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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.