Home / 2,011,881.65-3,019,151.88-947,228.18

Finding the Fourth Proportional to 2,011,881.65, 3,019,151.88 and 947,228.18

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Solution

The fourth proportional to 2,011,881.65, 3,019,151.88 and 947,228.18 is: 1,421,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,881.65 : 3,019,151.88 = 947,228.18 : x
  2. Step 2: Convert to fraction form
    2,011,881.65/3,019,151.88 = 947,228.18/x
  3. Step 3: Cross multiply
    2,011,881.65x = 3,019,151.88 × 947,228.18
  4. Step 4: Simplify right side
    2,011,881.65x = 2,859,825,725,340.22
  5. Step 5: Solve for x
    x = 2,859,825,725,340.22/2,011,881.65
  6. Step 6: Final answer
    x = 1,421,468.17

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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.