Home / 2,485,567.34-3,429,781.56-1,382,738.18

Finding the Fourth Proportional to 2,485,567.34, 3,429,781.56 and 1,382,738.18

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Solution

The fourth proportional to 2,485,567.34, 3,429,781.56 and 1,382,738.18 is: 1,908,011.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,567.34 : 3,429,781.56 = 1,382,738.18 : x
  2. Step 2: Convert to fraction form
    2,485,567.34/3,429,781.56 = 1,382,738.18/x
  3. Step 3: Cross multiply
    2,485,567.34x = 3,429,781.56 × 1,382,738.18
  4. Step 4: Simplify right side
    2,485,567.34x = 4,742,489,912,071.96
  5. Step 5: Solve for x
    x = 4,742,489,912,071.96/2,485,567.34
  6. Step 6: Final answer
    x = 1,908,011.03

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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.