Home / 5,184,142.11-7,779,683.88-2,151,510.45

Finding the Fourth Proportional to 5,184,142.11, 7,779,683.88 and 2,151,510.45

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Solution

The fourth proportional to 5,184,142.11, 7,779,683.88 and 2,151,510.45 is: 3,228,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,142.11 : 7,779,683.88 = 2,151,510.45 : x
  2. Step 2: Convert to fraction form
    5,184,142.11/7,779,683.88 = 2,151,510.45/x
  3. Step 3: Cross multiply
    5,184,142.11x = 7,779,683.88 × 2,151,510.45
  4. Step 4: Simplify right side
    5,184,142.11x = 16,738,071,165,516.55
  5. Step 5: Solve for x
    x = 16,738,071,165,516.55/5,184,142.11
  6. Step 6: Final answer
    x = 3,228,706.08

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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.