Home / 1,591,751.40-2,196,276.36-947,045.67

Finding the Fourth Proportional to 1,591,751.40, 2,196,276.36 and 947,045.67

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Solution

The fourth proportional to 1,591,751.40, 2,196,276.36 and 947,045.67 is: 1,306,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,751.40 : 2,196,276.36 = 947,045.67 : x
  2. Step 2: Convert to fraction form
    1,591,751.40/2,196,276.36 = 947,045.67/x
  3. Step 3: Cross multiply
    1,591,751.40x = 2,196,276.36 × 947,045.67
  4. Step 4: Simplify right side
    1,591,751.40x = 2,079,974,016,861.36
  5. Step 5: Solve for x
    x = 2,079,974,016,861.36/1,591,751.40
  6. Step 6: Final answer
    x = 1,306,720.39

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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.