Home / 2,617,009.49-3,925,509.35-820,030.61

Finding the Fourth Proportional to 2,617,009.49, 3,925,509.35 and 820,030.61

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Solution

The fourth proportional to 2,617,009.49, 3,925,509.35 and 820,030.61 is: 1,230,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,009.49 : 3,925,509.35 = 820,030.61 : x
  2. Step 2: Convert to fraction form
    2,617,009.49/3,925,509.35 = 820,030.61/x
  3. Step 3: Cross multiply
    2,617,009.49x = 3,925,509.35 × 820,030.61
  4. Step 4: Simplify right side
    2,617,009.49x = 3,219,037,803,113.50
  5. Step 5: Solve for x
    x = 3,219,037,803,113.50/2,617,009.49
  6. Step 6: Final answer
    x = 1,230,044.38

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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.