Home / 2,788,769-3,848,501.28-1,581,545

Finding the Fourth Proportional to 2,788,769, 3,848,501.28 and 1,581,545

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Solution

The fourth proportional to 2,788,769, 3,848,501.28 and 1,581,545 is: 2,182,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,769 : 3,848,501.28 = 1,581,545 : x
  2. Step 2: Convert to fraction form
    2,788,769/3,848,501.28 = 1,581,545/x
  3. Step 3: Cross multiply
    2,788,769x = 3,848,501.28 × 1,581,545
  4. Step 4: Simplify right side
    2,788,769x = 6,086,577,956,877.60
  5. Step 5: Solve for x
    x = 6,086,577,956,877.60/2,788,769
  6. Step 6: Final answer
    x = 2,182,532.13

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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.