Home / 5,118,711.64-7,063,870.32-2,913,466.82

Finding the Fourth Proportional to 5,118,711.64, 7,063,870.32 and 2,913,466.82

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Solution

The fourth proportional to 5,118,711.64, 7,063,870.32 and 2,913,466.82 is: 4,020,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,711.64 : 7,063,870.32 = 2,913,466.82 : x
  2. Step 2: Convert to fraction form
    5,118,711.64/7,063,870.32 = 2,913,466.82/x
  3. Step 3: Cross multiply
    5,118,711.64x = 7,063,870.32 × 2,913,466.82
  4. Step 4: Simplify right side
    5,118,711.64x = 20,580,351,762,783.43
  5. Step 5: Solve for x
    x = 20,580,351,762,783.43/5,118,711.64
  6. Step 6: Final answer
    x = 4,020,611.67

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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.