Home / 1,930,510.09-2,664,423.71-1,071,346.33

Finding the Fourth Proportional to 1,930,510.09, 2,664,423.71 and 1,071,346.33

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Solution

The fourth proportional to 1,930,510.09, 2,664,423.71 and 1,071,346.33 is: 1,478,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,510.09 : 2,664,423.71 = 1,071,346.33 : x
  2. Step 2: Convert to fraction form
    1,930,510.09/2,664,423.71 = 1,071,346.33/x
  3. Step 3: Cross multiply
    1,930,510.09x = 2,664,423.71 × 1,071,346.33
  4. Step 4: Simplify right side
    1,930,510.09x = 2,854,520,555,273.24
  5. Step 5: Solve for x
    x = 2,854,520,555,273.24/1,930,510.09
  6. Step 6: Final answer
    x = 1,478,635.40

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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.