Home / 3,196,372.70-4,411,128.40-1,838,246.78

Finding the Fourth Proportional to 3,196,372.70, 4,411,128.40 and 1,838,246.78

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Solution

The fourth proportional to 3,196,372.70, 4,411,128.40 and 1,838,246.78 is: 2,536,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196,372.70 : 4,411,128.40 = 1,838,246.78 : x
  2. Step 2: Convert to fraction form
    3,196,372.70/4,411,128.40 = 1,838,246.78/x
  3. Step 3: Cross multiply
    3,196,372.70x = 4,411,128.40 × 1,838,246.78
  4. Step 4: Simplify right side
    3,196,372.70x = 8,108,742,577,466.55
  5. Step 5: Solve for x
    x = 8,108,742,577,466.55/3,196,372.70
  6. Step 6: Final answer
    x = 2,536,857.66

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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.