Home / 4,806,788.72-7,210,503.90-1,690,466.05

Finding the Fourth Proportional to 4,806,788.72, 7,210,503.90 and 1,690,466.05

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Solution

The fourth proportional to 4,806,788.72, 7,210,503.90 and 1,690,466.05 is: 2,535,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806,788.72 : 7,210,503.90 = 1,690,466.05 : x
  2. Step 2: Convert to fraction form
    4,806,788.72/7,210,503.90 = 1,690,466.05/x
  3. Step 3: Cross multiply
    4,806,788.72x = 7,210,503.90 × 1,690,466.05
  4. Step 4: Simplify right side
    4,806,788.72x = 12,189,112,021,977.09
  5. Step 5: Solve for x
    x = 12,189,112,021,977.09/4,806,788.72
  6. Step 6: Final answer
    x = 2,535,811.90

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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.