Home / 1,891,846.76-2,606,312.58-1,317,848.36

Finding the Fourth Proportional to 1,891,846.76, 2,606,312.58 and 1,317,848.36

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Solution

The fourth proportional to 1,891,846.76, 2,606,312.58 and 1,317,848.36 is: 1,815,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,846.76 : 2,606,312.58 = 1,317,848.36 : x
  2. Step 2: Convert to fraction form
    1,891,846.76/2,606,312.58 = 1,317,848.36/x
  3. Step 3: Cross multiply
    1,891,846.76x = 2,606,312.58 × 1,317,848.36
  4. Step 4: Simplify right side
    1,891,846.76x = 3,434,724,759,200.37
  5. Step 5: Solve for x
    x = 3,434,724,759,200.37/1,891,846.76
  6. Step 6: Final answer
    x = 1,815,540.68

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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.