Home / 3,405,531.32-4,699,669.90-1,856,780.36

Finding the Fourth Proportional to 3,405,531.32, 4,699,669.90 and 1,856,780.36

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Solution

The fourth proportional to 3,405,531.32, 4,699,669.90 and 1,856,780.36 is: 2,562,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,531.32 : 4,699,669.90 = 1,856,780.36 : x
  2. Step 2: Convert to fraction form
    3,405,531.32/4,699,669.90 = 1,856,780.36/x
  3. Step 3: Cross multiply
    3,405,531.32x = 4,699,669.90 × 1,856,780.36
  4. Step 4: Simplify right side
    3,405,531.32x = 8,726,254,768,803.17
  5. Step 5: Solve for x
    x = 8,726,254,768,803.17/3,405,531.32
  6. Step 6: Final answer
    x = 2,562,376.89

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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.