Home / 3,115,062-4,298,760.54-1,808,435.28

Finding the Fourth Proportional to 3,115,062, 4,298,760.54 and 1,808,435.28

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Solution

The fourth proportional to 3,115,062, 4,298,760.54 and 1,808,435.28 is: 2,495,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,062 : 4,298,760.54 = 1,808,435.28 : x
  2. Step 2: Convert to fraction form
    3,115,062/4,298,760.54 = 1,808,435.28/x
  3. Step 3: Cross multiply
    3,115,062x = 4,298,760.54 × 1,808,435.28
  4. Step 4: Simplify right side
    3,115,062x = 7,774,030,220,807.85
  5. Step 5: Solve for x
    x = 7,774,030,220,807.85/3,115,062
  6. Step 6: Final answer
    x = 2,495,626.16

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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.