Home / 5,139,829.12-7,704,318.40-1,724,877.83

Finding the Fourth Proportional to 5,139,829.12, 7,704,318.40 and 1,724,877.83

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Solution

The fourth proportional to 5,139,829.12, 7,704,318.40 and 1,724,877.83 is: 2,585,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,829.12 : 7,704,318.40 = 1,724,877.83 : x
  2. Step 2: Convert to fraction form
    5,139,829.12/7,704,318.40 = 1,724,877.83/x
  3. Step 3: Cross multiply
    5,139,829.12x = 7,704,318.40 × 1,724,877.83
  4. Step 4: Simplify right side
    5,139,829.12x = 13,289,008,003,421.07
  5. Step 5: Solve for x
    x = 13,289,008,003,421.07/5,139,829.12
  6. Step 6: Final answer
    x = 2,585,496.07

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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.