Home / 2,137,694.87-2,950,066.65-1,219,905.74

Finding the Fourth Proportional to 2,137,694.87, 2,950,066.65 and 1,219,905.74

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Solution

The fourth proportional to 2,137,694.87, 2,950,066.65 and 1,219,905.74 is: 1,683,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,694.87 : 2,950,066.65 = 1,219,905.74 : x
  2. Step 2: Convert to fraction form
    2,137,694.87/2,950,066.65 = 1,219,905.74/x
  3. Step 3: Cross multiply
    2,137,694.87x = 2,950,066.65 × 1,219,905.74
  4. Step 4: Simplify right side
    2,137,694.87x = 3,598,803,239,717.57
  5. Step 5: Solve for x
    x = 3,598,803,239,717.57/2,137,694.87
  6. Step 6: Final answer
    x = 1,683,497.16

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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.