Home / 2,862,058.07-3,949,643.09-1,572,870.78

Finding the Fourth Proportional to 2,862,058.07, 3,949,643.09 and 1,572,870.78

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Solution

The fourth proportional to 2,862,058.07, 3,949,643.09 and 1,572,870.78 is: 2,170,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,058.07 : 3,949,643.09 = 1,572,870.78 : x
  2. Step 2: Convert to fraction form
    2,862,058.07/3,949,643.09 = 1,572,870.78/x
  3. Step 3: Cross multiply
    2,862,058.07x = 3,949,643.09 × 1,572,870.78
  4. Step 4: Simplify right side
    2,862,058.07x = 6,212,278,211,622.09
  5. Step 5: Solve for x
    x = 6,212,278,211,622.09/2,862,058.07
  6. Step 6: Final answer
    x = 2,170,563.30

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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.