Home / 2,775,866.46-3,830,400.81-1,535,279.67

Finding the Fourth Proportional to 2,775,866.46, 3,830,400.81 and 1,535,279.67

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Solution

The fourth proportional to 2,775,866.46, 3,830,400.81 and 1,535,279.67 is: 2,118,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775,866.46 : 3,830,400.81 = 1,535,279.67 : x
  2. Step 2: Convert to fraction form
    2,775,866.46/3,830,400.81 = 1,535,279.67/x
  3. Step 3: Cross multiply
    2,775,866.46x = 3,830,400.81 × 1,535,279.67
  4. Step 4: Simplify right side
    2,775,866.46x = 5,880,736,491,544.53
  5. Step 5: Solve for x
    x = 5,880,736,491,544.53/2,775,866.46
  6. Step 6: Final answer
    x = 2,118,522.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.