Home / 6,719,921.90-10,079,919.30-1,671,232.40

Finding the Fourth Proportional to 6,719,921.90, 10,079,919.30 and 1,671,232.40

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Solution

The fourth proportional to 6,719,921.90, 10,079,919.30 and 1,671,232.40 is: 2,506,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719,921.90 : 10,079,919.30 = 1,671,232.40 : x
  2. Step 2: Convert to fraction form
    6,719,921.90/10,079,919.30 = 1,671,232.40/x
  3. Step 3: Cross multiply
    6,719,921.90x = 10,079,919.30 × 1,671,232.40
  4. Step 4: Simplify right side
    6,719,921.90x = 16,845,887,723,545.32
  5. Step 5: Solve for x
    x = 16,845,887,723,545.32/6,719,921.90
  6. Step 6: Final answer
    x = 2,506,857.67

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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.