Home / 2,670,873.60-4,005,115.92-1,919,768.16

Finding the Fourth Proportional to 2,670,873.60, 4,005,115.92 and 1,919,768.16

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Solution

The fourth proportional to 2,670,873.60, 4,005,115.92 and 1,919,768.16 is: 2,878,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,873.60 : 4,005,115.92 = 1,919,768.16 : x
  2. Step 2: Convert to fraction form
    2,670,873.60/4,005,115.92 = 1,919,768.16/x
  3. Step 3: Cross multiply
    2,670,873.60x = 4,005,115.92 × 1,919,768.16
  4. Step 4: Simplify right side
    2,670,873.60x = 7,688,894,020,325.11
  5. Step 5: Solve for x
    x = 7,688,894,020,325.11/2,670,873.60
  6. Step 6: Final answer
    x = 2,878,793.67

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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.