Home / 3,578,389.93-4,937,809.43-2,127,805.07

Finding the Fourth Proportional to 3,578,389.93, 4,937,809.43 and 2,127,805.07

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Solution

The fourth proportional to 3,578,389.93, 4,937,809.43 and 2,127,805.07 is: 2,936,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,389.93 : 4,937,809.43 = 2,127,805.07 : x
  2. Step 2: Convert to fraction form
    3,578,389.93/4,937,809.43 = 2,127,805.07/x
  3. Step 3: Cross multiply
    3,578,389.93x = 4,937,809.43 × 2,127,805.07
  4. Step 4: Simplify right side
    3,578,389.93x = 10,506,695,957,511.85
  5. Step 5: Solve for x
    x = 10,506,695,957,511.85/3,578,389.93
  6. Step 6: Final answer
    x = 2,936,151.78

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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.