Home / 1,938,034.88-2,674,488.13-1,078,798.11

Finding the Fourth Proportional to 1,938,034.88, 2,674,488.13 and 1,078,798.11

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Solution

The fourth proportional to 1,938,034.88, 2,674,488.13 and 1,078,798.11 is: 1,488,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,034.88 : 2,674,488.13 = 1,078,798.11 : x
  2. Step 2: Convert to fraction form
    1,938,034.88/2,674,488.13 = 1,078,798.11/x
  3. Step 3: Cross multiply
    1,938,034.88x = 2,674,488.13 × 1,078,798.11
  4. Step 4: Simplify right side
    1,938,034.88x = 2,885,232,747,193.77
  5. Step 5: Solve for x
    x = 2,885,232,747,193.77/1,938,034.88
  6. Step 6: Final answer
    x = 1,488,741.40

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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.