Home / 1,938,047.85-2,674,479.36-1,078,607.97

Finding the Fourth Proportional to 1,938,047.85, 2,674,479.36 and 1,078,607.97

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Solution

The fourth proportional to 1,938,047.85, 2,674,479.36 and 1,078,607.97 is: 1,488,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,047.85 : 2,674,479.36 = 1,078,607.97 : x
  2. Step 2: Convert to fraction form
    1,938,047.85/2,674,479.36 = 1,078,607.97/x
  3. Step 3: Cross multiply
    1,938,047.85x = 2,674,479.36 × 1,078,607.97
  4. Step 4: Simplify right side
    1,938,047.85x = 2,884,714,753,296.50
  5. Step 5: Solve for x
    x = 2,884,714,753,296.50/1,938,047.85
  6. Step 6: Final answer
    x = 1,488,464.15

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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.