Home / 1,927,425.12-2,892,445.43-1,029,511.77

Finding the Fourth Proportional to 1,927,425.12, 2,892,445.43 and 1,029,511.77

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Solution

The fourth proportional to 1,927,425.12, 2,892,445.43 and 1,029,511.77 is: 1,544,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,425.12 : 2,892,445.43 = 1,029,511.77 : x
  2. Step 2: Convert to fraction form
    1,927,425.12/2,892,445.43 = 1,029,511.77/x
  3. Step 3: Cross multiply
    1,927,425.12x = 2,892,445.43 × 1,029,511.77
  4. Step 4: Simplify right side
    1,927,425.12x = 2,977,806,609,120.15
  5. Step 5: Solve for x
    x = 2,977,806,609,120.15/1,927,425.12
  6. Step 6: Final answer
    x = 1,544,966.17

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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.