Home / 2,191,562.79-3,288,870.23-771,733.23

Finding the Fourth Proportional to 2,191,562.79, 3,288,870.23 and 771,733.23

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Solution

The fourth proportional to 2,191,562.79, 3,288,870.23 and 771,733.23 is: 1,158,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,562.79 : 3,288,870.23 = 771,733.23 : x
  2. Step 2: Convert to fraction form
    2,191,562.79/3,288,870.23 = 771,733.23/x
  3. Step 3: Cross multiply
    2,191,562.79x = 3,288,870.23 × 771,733.23
  4. Step 4: Simplify right side
    2,191,562.79x = 2,538,130,441,790.08
  5. Step 5: Solve for x
    x = 2,538,130,441,790.08/2,191,562.79
  6. Step 6: Final answer
    x = 1,158,137.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.