Home / 2,941,809.76-4,412,968.80-811,894.24

Finding the Fourth Proportional to 2,941,809.76, 4,412,968.80 and 811,894.24

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Solution

The fourth proportional to 2,941,809.76, 4,412,968.80 and 811,894.24 is: 1,217,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941,809.76 : 4,412,968.80 = 811,894.24 : x
  2. Step 2: Convert to fraction form
    2,941,809.76/4,412,968.80 = 811,894.24/x
  3. Step 3: Cross multiply
    2,941,809.76x = 4,412,968.80 × 811,894.24
  4. Step 4: Simplify right side
    2,941,809.76x = 3,582,863,950,019.71
  5. Step 5: Solve for x
    x = 3,582,863,950,019.71/2,941,809.76
  6. Step 6: Final answer
    x = 1,217,911.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.