Home / 2,134,805.16-2,946,161.78-1,229,678.76

Finding the Fourth Proportional to 2,134,805.16, 2,946,161.78 and 1,229,678.76

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Solution

The fourth proportional to 2,134,805.16, 2,946,161.78 and 1,229,678.76 is: 1,697,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,805.16 : 2,946,161.78 = 1,229,678.76 : x
  2. Step 2: Convert to fraction form
    2,134,805.16/2,946,161.78 = 1,229,678.76/x
  3. Step 3: Cross multiply
    2,134,805.16x = 2,946,161.78 × 1,229,678.76
  4. Step 4: Simplify right side
    2,134,805.16x = 3,622,832,564,389.79
  5. Step 5: Solve for x
    x = 3,622,832,564,389.79/2,134,805.16
  6. Step 6: Final answer
    x = 1,697,031.95

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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.