Home / 2,186,868.96-3,017,880.46-1,219,999.24

Finding the Fourth Proportional to 2,186,868.96, 3,017,880.46 and 1,219,999.24

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Solution

The fourth proportional to 2,186,868.96, 3,017,880.46 and 1,219,999.24 is: 1,683,599.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,868.96 : 3,017,880.46 = 1,219,999.24 : x
  2. Step 2: Convert to fraction form
    2,186,868.96/3,017,880.46 = 1,219,999.24/x
  3. Step 3: Cross multiply
    2,186,868.96x = 3,017,880.46 × 1,219,999.24
  4. Step 4: Simplify right side
    2,186,868.96x = 3,681,811,877,964.74
  5. Step 5: Solve for x
    x = 3,681,811,877,964.74/2,186,868.96
  6. Step 6: Final answer
    x = 1,683,599.68

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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.