Home / 1,778,082.60-2,667,123.90-1,689,509.10

Finding the Fourth Proportional to 1,778,082.60, 2,667,123.90 and 1,689,509.10

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Solution

The fourth proportional to 1,778,082.60, 2,667,123.90 and 1,689,509.10 is: 2,534,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,082.60 : 2,667,123.90 = 1,689,509.10 : x
  2. Step 2: Convert to fraction form
    1,778,082.60/2,667,123.90 = 1,689,509.10/x
  3. Step 3: Cross multiply
    1,778,082.60x = 2,667,123.90 × 1,689,509.10
  4. Step 4: Simplify right side
    1,778,082.60x = 4,506,130,099,877.49
  5. Step 5: Solve for x
    x = 4,506,130,099,877.49/1,778,082.60
  6. Step 6: Final answer
    x = 2,534,263.65

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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.