Home / 1,997,710.79-2,756,981.63-1,126,623.43

Finding the Fourth Proportional to 1,997,710.79, 2,756,981.63 and 1,126,623.43

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Solution

The fourth proportional to 1,997,710.79, 2,756,981.63 and 1,126,623.43 is: 1,554,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,710.79 : 2,756,981.63 = 1,126,623.43 : x
  2. Step 2: Convert to fraction form
    1,997,710.79/2,756,981.63 = 1,126,623.43/x
  3. Step 3: Cross multiply
    1,997,710.79x = 2,756,981.63 × 1,126,623.43
  4. Step 4: Simplify right side
    1,997,710.79x = 3,106,080,100,437.59
  5. Step 5: Solve for x
    x = 3,106,080,100,437.59/1,997,710.79
  6. Step 6: Final answer
    x = 1,554,819.70

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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.