Home / 2,720,903.77-4,081,355.63-991,903.28

Finding the Fourth Proportional to 2,720,903.77, 4,081,355.63 and 991,903.28

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Solution

The fourth proportional to 2,720,903.77, 4,081,355.63 and 991,903.28 is: 1,487,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,903.77 : 4,081,355.63 = 991,903.28 : x
  2. Step 2: Convert to fraction form
    2,720,903.77/4,081,355.63 = 991,903.28/x
  3. Step 3: Cross multiply
    2,720,903.77x = 4,081,355.63 × 991,903.28
  4. Step 4: Simplify right side
    2,720,903.77x = 4,048,310,014,596.81
  5. Step 5: Solve for x
    x = 4,048,310,014,596.81/2,720,903.77
  6. Step 6: Final answer
    x = 1,487,854.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.