Home / 2,811,009-4,216,630.14-816,465

Finding the Fourth Proportional to 2,811,009, 4,216,630.14 and 816,465

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Solution

The fourth proportional to 2,811,009, 4,216,630.14 and 816,465 is: 1,224,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,009 : 4,216,630.14 = 816,465 : x
  2. Step 2: Convert to fraction form
    2,811,009/4,216,630.14 = 816,465/x
  3. Step 3: Cross multiply
    2,811,009x = 4,216,630.14 × 816,465
  4. Step 4: Simplify right side
    2,811,009x = 3,442,730,927,255.10
  5. Step 5: Solve for x
    x = 3,442,730,927,255.10/2,811,009
  6. Step 6: Final answer
    x = 1,224,731.38

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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.