Home / 3,913,206.40-5,869,809.60-2,779,465.60

Finding the Fourth Proportional to 3,913,206.40, 5,869,809.60 and 2,779,465.60

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Solution

The fourth proportional to 3,913,206.40, 5,869,809.60 and 2,779,465.60 is: 4,169,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,206.40 : 5,869,809.60 = 2,779,465.60 : x
  2. Step 2: Convert to fraction form
    3,913,206.40/5,869,809.60 = 2,779,465.60/x
  3. Step 3: Cross multiply
    3,913,206.40x = 5,869,809.60 × 2,779,465.60
  4. Step 4: Simplify right side
    3,913,206.40x = 16,314,933,861,749.76
  5. Step 5: Solve for x
    x = 16,314,933,861,749.76/3,913,206.40
  6. Step 6: Final answer
    x = 4,169,198.40

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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.