Home / 2,058,763.86-3,088,345.35-638,438.58

Finding the Fourth Proportional to 2,058,763.86, 3,088,345.35 and 638,438.58

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Solution

The fourth proportional to 2,058,763.86, 3,088,345.35 and 638,438.58 is: 957,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058,763.86 : 3,088,345.35 = 638,438.58 : x
  2. Step 2: Convert to fraction form
    2,058,763.86/3,088,345.35 = 638,438.58/x
  3. Step 3: Cross multiply
    2,058,763.86x = 3,088,345.35 × 638,438.58
  4. Step 4: Simplify right side
    2,058,763.86x = 1,971,718,819,803.60
  5. Step 5: Solve for x
    x = 1,971,718,819,803.60/2,058,763.86
  6. Step 6: Final answer
    x = 957,719.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.