Home / 1,938,035.44-2,674,488.91-1,078,798.68

Finding the Fourth Proportional to 1,938,035.44, 2,674,488.91 and 1,078,798.68

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Solution

The fourth proportional to 1,938,035.44, 2,674,488.91 and 1,078,798.68 is: 1,488,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,035.44 : 2,674,488.91 = 1,078,798.68 : x
  2. Step 2: Convert to fraction form
    1,938,035.44/2,674,488.91 = 1,078,798.68/x
  3. Step 3: Cross multiply
    1,938,035.44x = 2,674,488.91 × 1,078,798.68
  4. Step 4: Simplify right side
    1,938,035.44x = 2,885,235,093,702.42
  5. Step 5: Solve for x
    x = 2,885,235,093,702.42/1,938,035.44
  6. Step 6: Final answer
    x = 1,488,742.18

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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.