Home / 2,955,877.92-4,078,764.99-1,666,641.42

Finding the Fourth Proportional to 2,955,877.92, 4,078,764.99 and 1,666,641.42

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Solution

The fourth proportional to 2,955,877.92, 4,078,764.99 and 1,666,641.42 is: 2,299,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955,877.92 : 4,078,764.99 = 1,666,641.42 : x
  2. Step 2: Convert to fraction form
    2,955,877.92/4,078,764.99 = 1,666,641.42/x
  3. Step 3: Cross multiply
    2,955,877.92x = 4,078,764.99 × 1,666,641.42
  4. Step 4: Simplify right side
    2,955,877.92x = 6,797,838,674,779.89
  5. Step 5: Solve for x
    x = 6,797,838,674,779.89/2,955,877.92
  6. Step 6: Final answer
    x = 2,299,769.77

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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.