Home / 2,990,065.86-4,126,763.16-1,901,202.30

Finding the Fourth Proportional to 2,990,065.86, 4,126,763.16 and 1,901,202.30

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Solution

The fourth proportional to 2,990,065.86, 4,126,763.16 and 1,901,202.30 is: 2,623,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,065.86 : 4,126,763.16 = 1,901,202.30 : x
  2. Step 2: Convert to fraction form
    2,990,065.86/4,126,763.16 = 1,901,202.30/x
  3. Step 3: Cross multiply
    2,990,065.86x = 4,126,763.16 × 1,901,202.30
  4. Step 4: Simplify right side
    2,990,065.86x = 7,845,811,611,347.27
  5. Step 5: Solve for x
    x = 7,845,811,611,347.27/2,990,065.86
  6. Step 6: Final answer
    x = 2,623,959.46

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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.