Home / 3,440,548.71-4,748,079.87-1,891,928.34

Finding the Fourth Proportional to 3,440,548.71, 4,748,079.87 and 1,891,928.34

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Solution

The fourth proportional to 3,440,548.71, 4,748,079.87 and 1,891,928.34 is: 2,610,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440,548.71 : 4,748,079.87 = 1,891,928.34 : x
  2. Step 2: Convert to fraction form
    3,440,548.71/4,748,079.87 = 1,891,928.34/x
  3. Step 3: Cross multiply
    3,440,548.71x = 4,748,079.87 × 1,891,928.34
  4. Step 4: Simplify right side
    3,440,548.71x = 8,983,026,866,636.52
  5. Step 5: Solve for x
    x = 8,983,026,866,636.52/3,440,548.71
  6. Step 6: Final answer
    x = 2,610,928.55

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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.