Home / 1,868,671.65-2,577,581.96-1,179,139.26

Finding the Fourth Proportional to 1,868,671.65, 2,577,581.96 and 1,179,139.26

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Solution

The fourth proportional to 1,868,671.65, 2,577,581.96 and 1,179,139.26 is: 1,626,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,671.65 : 2,577,581.96 = 1,179,139.26 : x
  2. Step 2: Convert to fraction form
    1,868,671.65/2,577,581.96 = 1,179,139.26/x
  3. Step 3: Cross multiply
    1,868,671.65x = 2,577,581.96 × 1,179,139.26
  4. Step 4: Simplify right side
    1,868,671.65x = 3,039,328,066,120.14
  5. Step 5: Solve for x
    x = 3,039,328,066,120.14/1,868,671.65
  6. Step 6: Final answer
    x = 1,626,464.48

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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.