Home / 5,563,521.60-8,346,319.20-1,778,078.40

Finding the Fourth Proportional to 5,563,521.60, 8,346,319.20 and 1,778,078.40

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Solution

The fourth proportional to 5,563,521.60, 8,346,319.20 and 1,778,078.40 is: 2,667,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563,521.60 : 8,346,319.20 = 1,778,078.40 : x
  2. Step 2: Convert to fraction form
    5,563,521.60/8,346,319.20 = 1,778,078.40/x
  3. Step 3: Cross multiply
    5,563,521.60x = 8,346,319.20 × 1,778,078.40
  4. Step 4: Simplify right side
    5,563,521.60x = 14,840,409,889,025.28
  5. Step 5: Solve for x
    x = 14,840,409,889,025.28/5,563,521.60
  6. Step 6: Final answer
    x = 2,667,448.96

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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.