Home / 1,811,099.40-2,713,538.70-1,179,688.20

Finding the Fourth Proportional to 1,811,099.40, 2,713,538.70 and 1,179,688.20

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Solution

The fourth proportional to 1,811,099.40, 2,713,538.70 and 1,179,688.20 is: 1,767,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,099.40 : 2,713,538.70 = 1,179,688.20 : x
  2. Step 2: Convert to fraction form
    1,811,099.40/2,713,538.70 = 1,179,688.20/x
  3. Step 3: Cross multiply
    1,811,099.40x = 2,713,538.70 × 1,179,688.20
  4. Step 4: Simplify right side
    1,811,099.40x = 3,201,129,584,633.34
  5. Step 5: Solve for x
    x = 3,201,129,584,633.34/1,811,099.40
  6. Step 6: Final answer
    x = 1,767,506.29

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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.