Home / 2,186,677.92-3,017,619.90-1,219,783.08

Finding the Fourth Proportional to 2,186,677.92, 3,017,619.90 and 1,219,783.08

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Solution

The fourth proportional to 2,186,677.92, 3,017,619.90 and 1,219,783.08 is: 1,683,303.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,677.92 : 3,017,619.90 = 1,219,783.08 : x
  2. Step 2: Convert to fraction form
    2,186,677.92/3,017,619.90 = 1,219,783.08/x
  3. Step 3: Cross multiply
    2,186,677.92x = 3,017,619.90 × 1,219,783.08
  4. Step 4: Simplify right side
    2,186,677.92x = 3,680,841,695,891.29
  5. Step 5: Solve for x
    x = 3,680,841,695,891.29/2,186,677.92
  6. Step 6: Final answer
    x = 1,683,303.09

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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.