Home / 2,021,007.90-3,031,511.85-1,223,846.40

Finding the Fourth Proportional to 2,021,007.90, 3,031,511.85 and 1,223,846.40

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Solution

The fourth proportional to 2,021,007.90, 3,031,511.85 and 1,223,846.40 is: 1,835,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,007.90 : 3,031,511.85 = 1,223,846.40 : x
  2. Step 2: Convert to fraction form
    2,021,007.90/3,031,511.85 = 1,223,846.40/x
  3. Step 3: Cross multiply
    2,021,007.90x = 3,031,511.85 × 1,223,846.40
  4. Step 4: Simplify right side
    2,021,007.90x = 3,710,104,864,179.84
  5. Step 5: Solve for x
    x = 3,710,104,864,179.84/2,021,007.90
  6. Step 6: Final answer
    x = 1,835,769.60

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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.