Home / 1,933,315.40-2,901,009.90-811,497.80

Finding the Fourth Proportional to 1,933,315.40, 2,901,009.90 and 811,497.80

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Solution

The fourth proportional to 1,933,315.40, 2,901,009.90 and 811,497.80 is: 1,217,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,315.40 : 2,901,009.90 = 811,497.80 : x
  2. Step 2: Convert to fraction form
    1,933,315.40/2,901,009.90 = 811,497.80/x
  3. Step 3: Cross multiply
    1,933,315.40x = 2,901,009.90 × 811,497.80
  4. Step 4: Simplify right side
    1,933,315.40x = 2,354,163,151,628.22
  5. Step 5: Solve for x
    x = 2,354,163,151,628.22/1,933,315.40
  6. Step 6: Final answer
    x = 1,217,681.89

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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.