Home / 2,813,045.90-4,219,076.86-790,809.10

Finding the Fourth Proportional to 2,813,045.90, 4,219,076.86 and 790,809.10

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Solution

The fourth proportional to 2,813,045.90, 4,219,076.86 and 790,809.10 is: 1,186,075.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,045.90 : 4,219,076.86 = 790,809.10 : x
  2. Step 2: Convert to fraction form
    2,813,045.90/4,219,076.86 = 790,809.10/x
  3. Step 3: Cross multiply
    2,813,045.90x = 4,219,076.86 × 790,809.10
  4. Step 4: Simplify right side
    2,813,045.90x = 3,336,484,374,487.43
  5. Step 5: Solve for x
    x = 3,336,484,374,487.43/2,813,045.90
  6. Step 6: Final answer
    x = 1,186,075.34

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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.