Home / 2,997,988.07-4,137,235.92-1,621,331.76

Finding the Fourth Proportional to 2,997,988.07, 4,137,235.92 and 1,621,331.76

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Solution

The fourth proportional to 2,997,988.07, 4,137,235.92 and 1,621,331.76 is: 2,237,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,988.07 : 4,137,235.92 = 1,621,331.76 : x
  2. Step 2: Convert to fraction form
    2,997,988.07/4,137,235.92 = 1,621,331.76/x
  3. Step 3: Cross multiply
    2,997,988.07x = 4,137,235.92 × 1,621,331.76
  4. Step 4: Simplify right side
    2,997,988.07x = 6,707,831,980,194.19
  5. Step 5: Solve for x
    x = 6,707,831,980,194.19/2,997,988.07
  6. Step 6: Final answer
    x = 2,237,444.52

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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.