Home / 4,130,628.60-6,195,941.76-1,290,740.76

Finding the Fourth Proportional to 4,130,628.60, 6,195,941.76 and 1,290,740.76

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Solution

The fourth proportional to 4,130,628.60, 6,195,941.76 and 1,290,740.76 is: 1,936,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,628.60 : 6,195,941.76 = 1,290,740.76 : x
  2. Step 2: Convert to fraction form
    4,130,628.60/6,195,941.76 = 1,290,740.76/x
  3. Step 3: Cross multiply
    4,130,628.60x = 6,195,941.76 × 1,290,740.76
  4. Step 4: Simplify right side
    4,130,628.60x = 7,997,354,576,218.14
  5. Step 5: Solve for x
    x = 7,997,354,576,218.14/4,130,628.60
  6. Step 6: Final answer
    x = 1,936,110.78

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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.