Home / 2,242,039.50-3,094,080.12-1,223,509.86

Finding the Fourth Proportional to 2,242,039.50, 3,094,080.12 and 1,223,509.86

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Solution

The fourth proportional to 2,242,039.50, 3,094,080.12 and 1,223,509.86 is: 1,688,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,039.50 : 3,094,080.12 = 1,223,509.86 : x
  2. Step 2: Convert to fraction form
    2,242,039.50/3,094,080.12 = 1,223,509.86/x
  3. Step 3: Cross multiply
    2,242,039.50x = 3,094,080.12 × 1,223,509.86
  4. Step 4: Simplify right side
    2,242,039.50x = 3,785,637,534,449.98
  5. Step 5: Solve for x
    x = 3,785,637,534,449.98/2,242,039.50
  6. Step 6: Final answer
    x = 1,688,479.41

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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.