Home / 1,930,208.83-2,663,663.42-1,047,145.01

Finding the Fourth Proportional to 1,930,208.83, 2,663,663.42 and 1,047,145.01

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Solution

The fourth proportional to 1,930,208.83, 2,663,663.42 and 1,047,145.01 is: 1,445,046.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,208.83 : 2,663,663.42 = 1,047,145.01 : x
  2. Step 2: Convert to fraction form
    1,930,208.83/2,663,663.42 = 1,047,145.01/x
  3. Step 3: Cross multiply
    1,930,208.83x = 2,663,663.42 × 1,047,145.01
  4. Step 4: Simplify right side
    1,930,208.83x = 2,789,241,847,872.08
  5. Step 5: Solve for x
    x = 2,789,241,847,872.08/1,930,208.83
  6. Step 6: Final answer
    x = 1,445,046.67

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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.