Home / 2,109,745.65-3,164,574.73-512,317.11

Finding the Fourth Proportional to 2,109,745.65, 3,164,574.73 and 512,317.11

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Solution

The fourth proportional to 2,109,745.65, 3,164,574.73 and 512,317.11 is: 768,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,745.65 : 3,164,574.73 = 512,317.11 : x
  2. Step 2: Convert to fraction form
    2,109,745.65/3,164,574.73 = 512,317.11/x
  3. Step 3: Cross multiply
    2,109,745.65x = 3,164,574.73 × 512,317.11
  4. Step 4: Simplify right side
    2,109,745.65x = 1,621,265,791,599.59
  5. Step 5: Solve for x
    x = 1,621,265,791,599.59/2,109,745.65
  6. Step 6: Final answer
    x = 768,465.05

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1.5x scale

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.