Home / 1,938,173.76-2,674,653-1,078,734.30

Finding the Fourth Proportional to 1,938,173.76, 2,674,653 and 1,078,734.30

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Solution

The fourth proportional to 1,938,173.76, 2,674,653 and 1,078,734.30 is: 1,488,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,173.76 : 2,674,653 = 1,078,734.30 : x
  2. Step 2: Convert to fraction form
    1,938,173.76/2,674,653 = 1,078,734.30/x
  3. Step 3: Cross multiply
    1,938,173.76x = 2,674,653 × 1,078,734.30
  4. Step 4: Simplify right side
    1,938,173.76x = 2,885,239,931,697.90
  5. Step 5: Solve for x
    x = 2,885,239,931,697.90/1,938,173.76
  6. Step 6: Final answer
    x = 1,488,638.42

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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.