Home / 1,819,429.63-2,510,768.55-1,003,615.45

Finding the Fourth Proportional to 1,819,429.63, 2,510,768.55 and 1,003,615.45

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Solution

The fourth proportional to 1,819,429.63, 2,510,768.55 and 1,003,615.45 is: 1,384,964.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,429.63 : 2,510,768.55 = 1,003,615.45 : x
  2. Step 2: Convert to fraction form
    1,819,429.63/2,510,768.55 = 1,003,615.45/x
  3. Step 3: Cross multiply
    1,819,429.63x = 2,510,768.55 × 1,003,615.45
  4. Step 4: Simplify right side
    1,819,429.63x = 2,519,846,108,154.10
  5. Step 5: Solve for x
    x = 2,519,846,108,154.10/1,819,429.63
  6. Step 6: Final answer
    x = 1,384,964.86

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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.