Home / 2,999,822.42-4,139,743.50-1,623,168.80

Finding the Fourth Proportional to 2,999,822.42, 4,139,743.50 and 1,623,168.80

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Solution

The fourth proportional to 2,999,822.42, 4,139,743.50 and 1,623,168.80 is: 2,239,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,822.42 : 4,139,743.50 = 1,623,168.80 : x
  2. Step 2: Convert to fraction form
    2,999,822.42/4,139,743.50 = 1,623,168.80/x
  3. Step 3: Cross multiply
    2,999,822.42x = 4,139,743.50 × 1,623,168.80
  4. Step 4: Simplify right side
    2,999,822.42x = 6,719,502,484,028.12
  5. Step 5: Solve for x
    x = 6,719,502,484,028.12/2,999,822.42
  6. Step 6: Final answer
    x = 2,239,966.75

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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.