Home / 3,139,784-4,710,378.36-1,145,240

Finding the Fourth Proportional to 3,139,784, 4,710,378.36 and 1,145,240

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Solution

The fourth proportional to 3,139,784, 4,710,378.36 and 1,145,240 is: 1,718,116.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,784 : 4,710,378.36 = 1,145,240 : x
  2. Step 2: Convert to fraction form
    3,139,784/4,710,378.36 = 1,145,240/x
  3. Step 3: Cross multiply
    3,139,784x = 4,710,378.36 × 1,145,240
  4. Step 4: Simplify right side
    3,139,784x = 5,394,513,713,006.40
  5. Step 5: Solve for x
    x = 5,394,513,713,006.40/3,139,784
  6. Step 6: Final answer
    x = 1,718,116.19

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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.