Home / 2,813,045.90-4,219,076.85-790,809.11

Finding the Fourth Proportional to 2,813,045.90, 4,219,076.85 and 790,809.11

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Solution

The fourth proportional to 2,813,045.90, 4,219,076.85 and 790,809.11 is: 1,186,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,045.90 : 4,219,076.85 = 790,809.11 : x
  2. Step 2: Convert to fraction form
    2,813,045.90/4,219,076.85 = 790,809.11/x
  3. Step 3: Cross multiply
    2,813,045.90x = 4,219,076.85 × 790,809.11
  4. Step 4: Simplify right side
    2,813,045.90x = 3,336,484,387,674.72
  5. Step 5: Solve for x
    x = 3,336,484,387,674.72/2,813,045.90
  6. Step 6: Final answer
    x = 1,186,075.35

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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.