Home / 3,290,051.86-4,538,447.21-1,913,244.23

Finding the Fourth Proportional to 3,290,051.86, 4,538,447.21 and 1,913,244.23

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Solution

The fourth proportional to 3,290,051.86, 4,538,447.21 and 1,913,244.23 is: 2,639,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,051.86 : 4,538,447.21 = 1,913,244.23 : x
  2. Step 2: Convert to fraction form
    3,290,051.86/4,538,447.21 = 1,913,244.23/x
  3. Step 3: Cross multiply
    3,290,051.86x = 4,538,447.21 × 1,913,244.23
  4. Step 4: Simplify right side
    3,290,051.86x = 8,683,157,953,821.33
  5. Step 5: Solve for x
    x = 8,683,157,953,821.33/3,290,051.86
  6. Step 6: Final answer
    x = 2,639,216.14

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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.