Home / 3,836,430.84-5,294,275.02-2,117,551.82

Finding the Fourth Proportional to 3,836,430.84, 5,294,275.02 and 2,117,551.82

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Solution

The fourth proportional to 3,836,430.84, 5,294,275.02 and 2,117,551.82 is: 2,922,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,430.84 : 5,294,275.02 = 2,117,551.82 : x
  2. Step 2: Convert to fraction form
    3,836,430.84/5,294,275.02 = 2,117,551.82/x
  3. Step 3: Cross multiply
    3,836,430.84x = 5,294,275.02 × 2,117,551.82
  4. Step 4: Simplify right side
    3,836,430.84x = 11,210,901,677,710.16
  5. Step 5: Solve for x
    x = 11,210,901,677,710.16/3,836,430.84
  6. Step 6: Final answer
    x = 2,922,221.76

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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.