Home / 1,554,940.08-2,145,852.78-866,682.72

Finding the Fourth Proportional to 1,554,940.08, 2,145,852.78 and 866,682.72

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Solution

The fourth proportional to 1,554,940.08, 2,145,852.78 and 866,682.72 is: 1,196,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,940.08 : 2,145,852.78 = 866,682.72 : x
  2. Step 2: Convert to fraction form
    1,554,940.08/2,145,852.78 = 866,682.72/x
  3. Step 3: Cross multiply
    1,554,940.08x = 2,145,852.78 × 866,682.72
  4. Step 4: Simplify right side
    1,554,940.08x = 1,859,773,524,089.96
  5. Step 5: Solve for x
    x = 1,859,773,524,089.96/1,554,940.08
  6. Step 6: Final answer
    x = 1,196,041.92

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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.