Home / 1,932,176.70-2,666,280.42-1,072,736.64

Finding the Fourth Proportional to 1,932,176.70, 2,666,280.42 and 1,072,736.64

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Solution

The fourth proportional to 1,932,176.70, 2,666,280.42 and 1,072,736.64 is: 1,480,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,176.70 : 2,666,280.42 = 1,072,736.64 : x
  2. Step 2: Convert to fraction form
    1,932,176.70/2,666,280.42 = 1,072,736.64/x
  3. Step 3: Cross multiply
    1,932,176.70x = 2,666,280.42 × 1,072,736.64
  4. Step 4: Simplify right side
    1,932,176.70x = 2,860,216,699,048.59
  5. Step 5: Solve for x
    x = 2,860,216,699,048.59/1,932,176.70
  6. Step 6: Final answer
    x = 1,480,308.04

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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.