Home / 1,926,538.84-2,657,909.82-1,247,849.56

Finding the Fourth Proportional to 1,926,538.84, 2,657,909.82 and 1,247,849.56

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Solution

The fourth proportional to 1,926,538.84, 2,657,909.82 and 1,247,849.56 is: 1,721,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,538.84 : 2,657,909.82 = 1,247,849.56 : x
  2. Step 2: Convert to fraction form
    1,926,538.84/2,657,909.82 = 1,247,849.56/x
  3. Step 3: Cross multiply
    1,926,538.84x = 2,657,909.82 × 1,247,849.56
  4. Step 4: Simplify right side
    1,926,538.84x = 3,316,671,599,406.68
  5. Step 5: Solve for x
    x = 3,316,671,599,406.68/1,926,538.84
  6. Step 6: Final answer
    x = 1,721,570.07

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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.