Home / 1,938,207.32-2,674,699.14-1,078,767.80

Finding the Fourth Proportional to 1,938,207.32, 2,674,699.14 and 1,078,767.80

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Solution

The fourth proportional to 1,938,207.32, 2,674,699.14 and 1,078,767.80 is: 1,488,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,207.32 : 2,674,699.14 = 1,078,767.80 : x
  2. Step 2: Convert to fraction form
    1,938,207.32/2,674,699.14 = 1,078,767.80/x
  3. Step 3: Cross multiply
    1,938,207.32x = 2,674,699.14 × 1,078,767.80
  4. Step 4: Simplify right side
    1,938,207.32x = 2,885,379,306,919.69
  5. Step 5: Solve for x
    x = 2,885,379,306,919.69/1,938,207.32
  6. Step 6: Final answer
    x = 1,488,684.56

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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.