Home / 2,759,055.77-4,139,206.41-840,138.53

Finding the Fourth Proportional to 2,759,055.77, 4,139,206.41 and 840,138.53

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Solution

The fourth proportional to 2,759,055.77, 4,139,206.41 and 840,138.53 is: 1,260,397.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,055.77 : 4,139,206.41 = 840,138.53 : x
  2. Step 2: Convert to fraction form
    2,759,055.77/4,139,206.41 = 840,138.53/x
  3. Step 3: Cross multiply
    2,759,055.77x = 4,139,206.41 × 840,138.53
  4. Step 4: Simplify right side
    2,759,055.77x = 3,477,506,794,401.50
  5. Step 5: Solve for x
    x = 3,477,506,794,401.50/2,759,055.77
  6. Step 6: Final answer
    x = 1,260,397.43

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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.