Home / 3,018,657.84-4,165,769.78-1,642,013.44

Finding the Fourth Proportional to 3,018,657.84, 4,165,769.78 and 1,642,013.44

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Solution

The fourth proportional to 3,018,657.84, 4,165,769.78 and 1,642,013.44 is: 2,265,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018,657.84 : 4,165,769.78 = 1,642,013.44 : x
  2. Step 2: Convert to fraction form
    3,018,657.84/4,165,769.78 = 1,642,013.44/x
  3. Step 3: Cross multiply
    3,018,657.84x = 4,165,769.78 × 1,642,013.44
  4. Step 4: Simplify right side
    3,018,657.84x = 6,840,249,966,705.84
  5. Step 5: Solve for x
    x = 6,840,249,966,705.84/3,018,657.84
  6. Step 6: Final answer
    x = 2,265,990.49

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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.