Home / 3,218,643.40-4,441,757.94-1,768,368.90

Finding the Fourth Proportional to 3,218,643.40, 4,441,757.94 and 1,768,368.90

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Solution

The fourth proportional to 3,218,643.40, 4,441,757.94 and 1,768,368.90 is: 2,440,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,643.40 : 4,441,757.94 = 1,768,368.90 : x
  2. Step 2: Convert to fraction form
    3,218,643.40/4,441,757.94 = 1,768,368.90/x
  3. Step 3: Cross multiply
    3,218,643.40x = 4,441,757.94 × 1,768,368.90
  4. Step 4: Simplify right side
    3,218,643.40x = 7,854,666,602,424.07
  5. Step 5: Solve for x
    x = 7,854,666,602,424.07/3,218,643.40
  6. Step 6: Final answer
    x = 2,440,365.59

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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.