Home / 1,995,622.45-2,990,963.91-1,418,325.63

Finding the Fourth Proportional to 1,995,622.45, 2,990,963.91 and 1,418,325.63

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Solution

The fourth proportional to 1,995,622.45, 2,990,963.91 and 1,418,325.63 is: 2,125,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,622.45 : 2,990,963.91 = 1,418,325.63 : x
  2. Step 2: Convert to fraction form
    1,995,622.45/2,990,963.91 = 1,418,325.63/x
  3. Step 3: Cross multiply
    1,995,622.45x = 2,990,963.91 × 1,418,325.63
  4. Step 4: Simplify right side
    1,995,622.45x = 4,242,160,771,958.01
  5. Step 5: Solve for x
    x = 4,242,160,771,958.01/1,995,622.45
  6. Step 6: Final answer
    x = 2,125,733.14

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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.