Home / 2,461,218.20-3,397,978.02-1,688,119.17

Finding the Fourth Proportional to 2,461,218.20, 3,397,978.02 and 1,688,119.17

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Solution

The fourth proportional to 2,461,218.20, 3,397,978.02 and 1,688,119.17 is: 2,330,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,218.20 : 3,397,978.02 = 1,688,119.17 : x
  2. Step 2: Convert to fraction form
    2,461,218.20/3,397,978.02 = 1,688,119.17/x
  3. Step 3: Cross multiply
    2,461,218.20x = 3,397,978.02 × 1,688,119.17
  4. Step 4: Simplify right side
    2,461,218.20x = 5,736,191,834,800.64
  5. Step 5: Solve for x
    x = 5,736,191,834,800.64/2,461,218.20
  6. Step 6: Final answer
    x = 2,330,631.16

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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.