Home / 3,111,528-4,668,079.20-867,666.24

Finding the Fourth Proportional to 3,111,528, 4,668,079.20 and 867,666.24

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Solution

The fourth proportional to 3,111,528, 4,668,079.20 and 867,666.24 is: 1,301,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,528 : 4,668,079.20 = 867,666.24 : x
  2. Step 2: Convert to fraction form
    3,111,528/4,668,079.20 = 867,666.24/x
  3. Step 3: Cross multiply
    3,111,528x = 4,668,079.20 × 867,666.24
  4. Step 4: Simplify right side
    3,111,528x = 4,050,334,727,486.21
  5. Step 5: Solve for x
    x = 4,050,334,727,486.21/3,111,528
  6. Step 6: Final answer
    x = 1,301,718.87

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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.