Home / 3,405,539.76-4,699,681.52-1,856,788.76

Finding the Fourth Proportional to 3,405,539.76, 4,699,681.52 and 1,856,788.76

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Solution

The fourth proportional to 3,405,539.76, 4,699,681.52 and 1,856,788.76 is: 2,562,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,539.76 : 4,699,681.52 = 1,856,788.76 : x
  2. Step 2: Convert to fraction form
    3,405,539.76/4,699,681.52 = 1,856,788.76/x
  3. Step 3: Cross multiply
    3,405,539.76x = 4,699,681.52 × 1,856,788.76
  4. Step 4: Simplify right side
    3,405,539.76x = 8,726,315,821,915.72
  5. Step 5: Solve for x
    x = 8,726,315,821,915.72/3,405,539.76
  6. Step 6: Final answer
    x = 2,562,388.47

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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.