Home / 5,315,852.10-7,974,944.55-1,721,007.30

Finding the Fourth Proportional to 5,315,852.10, 7,974,944.55 and 1,721,007.30

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Solution

The fourth proportional to 5,315,852.10, 7,974,944.55 and 1,721,007.30 is: 2,581,888.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,852.10 : 7,974,944.55 = 1,721,007.30 : x
  2. Step 2: Convert to fraction form
    5,315,852.10/7,974,944.55 = 1,721,007.30/x
  3. Step 3: Cross multiply
    5,315,852.10x = 7,974,944.55 × 1,721,007.30
  4. Step 4: Simplify right side
    5,315,852.10x = 13,724,937,787,645.21
  5. Step 5: Solve for x
    x = 13,724,937,787,645.21/5,315,852.10
  6. Step 6: Final answer
    x = 2,581,888.57

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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.