Home / 3,426,513.45-5,139,782.03-867,727.70

Finding the Fourth Proportional to 3,426,513.45, 5,139,782.03 and 867,727.70

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Solution

The fourth proportional to 3,426,513.45, 5,139,782.03 and 867,727.70 is: 1,301,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,513.45 : 5,139,782.03 = 867,727.70 : x
  2. Step 2: Convert to fraction form
    3,426,513.45/5,139,782.03 = 867,727.70/x
  3. Step 3: Cross multiply
    3,426,513.45x = 5,139,782.03 × 867,727.70
  4. Step 4: Simplify right side
    3,426,513.45x = 4,459,931,239,393.23
  5. Step 5: Solve for x
    x = 4,459,931,239,393.23/3,426,513.45
  6. Step 6: Final answer
    x = 1,301,594.55

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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.