Home / 4,158,705.60-6,238,544.40-1,319,104.80

Finding the Fourth Proportional to 4,158,705.60, 6,238,544.40 and 1,319,104.80

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Solution

The fourth proportional to 4,158,705.60, 6,238,544.40 and 1,319,104.80 is: 1,978,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,705.60 : 6,238,544.40 = 1,319,104.80 : x
  2. Step 2: Convert to fraction form
    4,158,705.60/6,238,544.40 = 1,319,104.80/x
  3. Step 3: Cross multiply
    4,158,705.60x = 6,238,544.40 × 1,319,104.80
  4. Step 4: Simplify right side
    4,158,705.60x = 8,229,293,863,053.12
  5. Step 5: Solve for x
    x = 8,229,293,863,053.12/4,158,705.60
  6. Step 6: Final answer
    x = 1,978,811.35

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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.