Home / 1,938,372.13-2,674,953.62-1,078,913.98

Finding the Fourth Proportional to 1,938,372.13, 2,674,953.62 and 1,078,913.98

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Solution

The fourth proportional to 1,938,372.13, 2,674,953.62 and 1,078,913.98 is: 1,488,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,372.13 : 2,674,953.62 = 1,078,913.98 : x
  2. Step 2: Convert to fraction form
    1,938,372.13/2,674,953.62 = 1,078,913.98/x
  3. Step 3: Cross multiply
    1,938,372.13x = 2,674,953.62 × 1,078,913.98
  4. Step 4: Simplify right side
    1,938,372.13x = 2,886,044,856,469.61
  5. Step 5: Solve for x
    x = 2,886,044,856,469.61/1,938,372.13
  6. Step 6: Final answer
    x = 1,488,901.34

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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.