Home / 2,019,135.90-3,024,621.45-1,258,643.10

Finding the Fourth Proportional to 2,019,135.90, 3,024,621.45 and 1,258,643.10

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Solution

The fourth proportional to 2,019,135.90, 3,024,621.45 and 1,258,643.10 is: 1,885,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,135.90 : 3,024,621.45 = 1,258,643.10 : x
  2. Step 2: Convert to fraction form
    2,019,135.90/3,024,621.45 = 1,258,643.10/x
  3. Step 3: Cross multiply
    2,019,135.90x = 3,024,621.45 × 1,258,643.10
  4. Step 4: Simplify right side
    2,019,135.90x = 3,806,918,918,154.50
  5. Step 5: Solve for x
    x = 3,806,918,918,154.50/2,019,135.90
  6. Step 6: Final answer
    x = 1,885,419.86

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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.