Home / 2,920,254.10-4,029,907.75-1,631,113.30

Finding the Fourth Proportional to 2,920,254.10, 4,029,907.75 and 1,631,113.30

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Solution

The fourth proportional to 2,920,254.10, 4,029,907.75 and 1,631,113.30 is: 2,250,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,254.10 : 4,029,907.75 = 1,631,113.30 : x
  2. Step 2: Convert to fraction form
    2,920,254.10/4,029,907.75 = 1,631,113.30/x
  3. Step 3: Cross multiply
    2,920,254.10x = 4,029,907.75 × 1,631,113.30
  4. Step 4: Simplify right side
    2,920,254.10x = 6,573,236,128,798.08
  5. Step 5: Solve for x
    x = 6,573,236,128,798.08/2,920,254.10
  6. Step 6: Final answer
    x = 2,250,912.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.