Home / 1,909,578.72-2,635,166.08-1,050,138.98

Finding the Fourth Proportional to 1,909,578.72, 2,635,166.08 and 1,050,138.98

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Solution

The fourth proportional to 1,909,578.72, 2,635,166.08 and 1,050,138.98 is: 1,449,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,578.72 : 2,635,166.08 = 1,050,138.98 : x
  2. Step 2: Convert to fraction form
    1,909,578.72/2,635,166.08 = 1,050,138.98/x
  3. Step 3: Cross multiply
    1,909,578.72x = 2,635,166.08 × 1,050,138.98
  4. Step 4: Simplify right side
    1,909,578.72x = 2,767,290,612,970.29
  5. Step 5: Solve for x
    x = 2,767,290,612,970.29/1,909,578.72
  6. Step 6: Final answer
    x = 1,449,162.89

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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.