Home / 2,888,139.24-3,984,652.85-1,664,406.23

Finding the Fourth Proportional to 2,888,139.24, 3,984,652.85 and 1,664,406.23

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Solution

The fourth proportional to 2,888,139.24, 3,984,652.85 and 1,664,406.23 is: 2,296,316.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,139.24 : 3,984,652.85 = 1,664,406.23 : x
  2. Step 2: Convert to fraction form
    2,888,139.24/3,984,652.85 = 1,664,406.23/x
  3. Step 3: Cross multiply
    2,888,139.24x = 3,984,652.85 × 1,664,406.23
  4. Step 4: Simplify right side
    2,888,139.24x = 6,632,080,999,681.96
  5. Step 5: Solve for x
    x = 6,632,080,999,681.96/2,888,139.24
  6. Step 6: Final answer
    x = 2,296,316.23

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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.