Home / 1,979,771.35-2,730,673.10-1,816,952.67

Finding the Fourth Proportional to 1,979,771.35, 2,730,673.10 and 1,816,952.67

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Solution

The fourth proportional to 1,979,771.35, 2,730,673.10 and 1,816,952.67 is: 2,506,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,771.35 : 2,730,673.10 = 1,816,952.67 : x
  2. Step 2: Convert to fraction form
    1,979,771.35/2,730,673.10 = 1,816,952.67/x
  3. Step 3: Cross multiply
    1,979,771.35x = 2,730,673.10 × 1,816,952.67
  4. Step 4: Simplify right side
    1,979,771.35x = 4,961,503,779,942.18
  5. Step 5: Solve for x
    x = 4,961,503,779,942.18/1,979,771.35
  6. Step 6: Final answer
    x = 2,506,099.39

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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.