Home / 1,868,342.90-2,578,321.07-1,052,556.35

Finding the Fourth Proportional to 1,868,342.90, 2,578,321.07 and 1,052,556.35

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Solution

The fourth proportional to 1,868,342.90, 2,578,321.07 and 1,052,556.35 is: 1,452,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,342.90 : 2,578,321.07 = 1,052,556.35 : x
  2. Step 2: Convert to fraction form
    1,868,342.90/2,578,321.07 = 1,052,556.35/x
  3. Step 3: Cross multiply
    1,868,342.90x = 2,578,321.07 × 1,052,556.35
  4. Step 4: Simplify right side
    1,868,342.90x = 2,713,828,215,750.32
  5. Step 5: Solve for x
    x = 2,713,828,215,750.32/1,868,342.90
  6. Step 6: Final answer
    x = 1,452,532.20

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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.