Home / 2,990,280.51-4,126,587.12-1,632,153.51

Finding the Fourth Proportional to 2,990,280.51, 4,126,587.12 and 1,632,153.51

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Solution

The fourth proportional to 2,990,280.51, 4,126,587.12 and 1,632,153.51 is: 2,252,371.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,280.51 : 4,126,587.12 = 1,632,153.51 : x
  2. Step 2: Convert to fraction form
    2,990,280.51/4,126,587.12 = 1,632,153.51/x
  3. Step 3: Cross multiply
    2,990,280.51x = 4,126,587.12 × 1,632,153.51
  4. Step 4: Simplify right side
    2,990,280.51x = 6,735,223,652,228.79
  5. Step 5: Solve for x
    x = 6,735,223,652,228.79/2,990,280.51
  6. Step 6: Final answer
    x = 2,252,371.85

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1.5x scale

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.