Home / 1,968,222.60-2,953,500.30-1,296,230.40

Finding the Fourth Proportional to 1,968,222.60, 2,953,500.30 and 1,296,230.40

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Solution

The fourth proportional to 1,968,222.60, 2,953,500.30 and 1,296,230.40 is: 1,945,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,222.60 : 2,953,500.30 = 1,296,230.40 : x
  2. Step 2: Convert to fraction form
    1,968,222.60/2,953,500.30 = 1,296,230.40/x
  3. Step 3: Cross multiply
    1,968,222.60x = 2,953,500.30 × 1,296,230.40
  4. Step 4: Simplify right side
    1,968,222.60x = 3,828,416,875,269.12
  5. Step 5: Solve for x
    x = 3,828,416,875,269.12/1,968,222.60
  6. Step 6: Final answer
    x = 1,945,113.77

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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.