Home / 2,461,218.70-3,397,978.71-1,688,119.67

Finding the Fourth Proportional to 2,461,218.70, 3,397,978.71 and 1,688,119.67

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Solution

The fourth proportional to 2,461,218.70, 3,397,978.71 and 1,688,119.67 is: 2,330,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,218.70 : 3,397,978.71 = 1,688,119.67 : x
  2. Step 2: Convert to fraction form
    2,461,218.70/3,397,978.71 = 1,688,119.67/x
  3. Step 3: Cross multiply
    2,461,218.70x = 3,397,978.71 × 1,688,119.67
  4. Step 4: Simplify right side
    2,461,218.70x = 5,736,194,698,592.23
  5. Step 5: Solve for x
    x = 5,736,194,698,592.23/2,461,218.70
  6. Step 6: Final answer
    x = 2,330,631.85

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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.