Home / 1,512,530.40-2,119,117.20-1,512,530.40

Finding the Fourth Proportional to 1,512,530.40, 2,119,117.20 and 1,512,530.40

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Solution

The fourth proportional to 1,512,530.40, 2,119,117.20 and 1,512,530.40 is: 2,119,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,530.40 : 2,119,117.20 = 1,512,530.40 : x
  2. Step 2: Convert to fraction form
    1,512,530.40/2,119,117.20 = 1,512,530.40/x
  3. Step 3: Cross multiply
    1,512,530.40x = 2,119,117.20 × 1,512,530.40
  4. Step 4: Simplify right side
    1,512,530.40x = 3,205,229,186,162.88
  5. Step 5: Solve for x
    x = 3,205,229,186,162.88/1,512,530.40
  6. Step 6: Final answer
    x = 2,119,117.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.