Home / 1,930,396.81-2,663,946.55-1,059,237.22

Finding the Fourth Proportional to 1,930,396.81, 2,663,946.55 and 1,059,237.22

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Solution

The fourth proportional to 1,930,396.81, 2,663,946.55 and 1,059,237.22 is: 1,461,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,396.81 : 2,663,946.55 = 1,059,237.22 : x
  2. Step 2: Convert to fraction form
    1,930,396.81/2,663,946.55 = 1,059,237.22/x
  3. Step 3: Cross multiply
    1,930,396.81x = 2,663,946.55 × 1,059,237.22
  4. Step 4: Simplify right side
    1,930,396.81x = 2,821,751,347,258.72
  5. Step 5: Solve for x
    x = 2,821,751,347,258.72/1,930,396.81
  6. Step 6: Final answer
    x = 1,461,746.79

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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.