Home / 2,181,421.72-3,003,685.50-2,175,123.16

Finding the Fourth Proportional to 2,181,421.72, 3,003,685.50 and 2,175,123.16

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Solution

The fourth proportional to 2,181,421.72, 3,003,685.50 and 2,175,123.16 is: 2,995,012.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,421.72 : 3,003,685.50 = 2,175,123.16 : x
  2. Step 2: Convert to fraction form
    2,181,421.72/3,003,685.50 = 2,175,123.16/x
  3. Step 3: Cross multiply
    2,181,421.72x = 3,003,685.50 × 2,175,123.16
  4. Step 4: Simplify right side
    2,181,421.72x = 6,533,385,896,406.18
  5. Step 5: Solve for x
    x = 6,533,385,896,406.18/2,181,421.72
  6. Step 6: Final answer
    x = 2,995,012.76

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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.