Home / 5,184,145.11-7,779,688.38-2,151,513.45

Finding the Fourth Proportional to 5,184,145.11, 7,779,688.38 and 2,151,513.45

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Solution

The fourth proportional to 5,184,145.11, 7,779,688.38 and 2,151,513.45 is: 3,228,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,145.11 : 7,779,688.38 = 2,151,513.45 : x
  2. Step 2: Convert to fraction form
    5,184,145.11/7,779,688.38 = 2,151,513.45/x
  3. Step 3: Cross multiply
    5,184,145.11x = 7,779,688.38 × 2,151,513.45
  4. Step 4: Simplify right side
    5,184,145.11x = 16,738,104,186,378.71
  5. Step 5: Solve for x
    x = 16,738,104,186,378.71/5,184,145.11
  6. Step 6: Final answer
    x = 3,228,710.58

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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.