Home / 1,808,703.59-2,711,634.50-1,238,359.43

Finding the Fourth Proportional to 1,808,703.59, 2,711,634.50 and 1,238,359.43

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Solution

The fourth proportional to 1,808,703.59, 2,711,634.50 and 1,238,359.43 is: 1,856,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,703.59 : 2,711,634.50 = 1,238,359.43 : x
  2. Step 2: Convert to fraction form
    1,808,703.59/2,711,634.50 = 1,238,359.43/x
  3. Step 3: Cross multiply
    1,808,703.59x = 2,711,634.50 × 1,238,359.43
  4. Step 4: Simplify right side
    1,808,703.59x = 3,357,978,153,788.34
  5. Step 5: Solve for x
    x = 3,357,978,153,788.34/1,808,703.59
  6. Step 6: Final answer
    x = 1,856,566.31

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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.