Home / 3,088,440.36-4,262,289.12-1,986,855.48

Finding the Fourth Proportional to 3,088,440.36, 4,262,289.12 and 1,986,855.48

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Solution

The fourth proportional to 3,088,440.36, 4,262,289.12 and 1,986,855.48 is: 2,742,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088,440.36 : 4,262,289.12 = 1,986,855.48 : x
  2. Step 2: Convert to fraction form
    3,088,440.36/4,262,289.12 = 1,986,855.48/x
  3. Step 3: Cross multiply
    3,088,440.36x = 4,262,289.12 × 1,986,855.48
  4. Step 4: Simplify right side
    3,088,440.36x = 8,468,552,495,416.38
  5. Step 5: Solve for x
    x = 8,468,552,495,416.38/3,088,440.36
  6. Step 6: Final answer
    x = 2,742,015.87

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1.5x scale

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.