Home / 1,822,813.12-2,731,841.44-1,319,070.88

Finding the Fourth Proportional to 1,822,813.12, 2,731,841.44 and 1,319,070.88

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Solution

The fourth proportional to 1,822,813.12, 2,731,841.44 and 1,319,070.88 is: 1,976,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,813.12 : 2,731,841.44 = 1,319,070.88 : x
  2. Step 2: Convert to fraction form
    1,822,813.12/2,731,841.44 = 1,319,070.88/x
  3. Step 3: Cross multiply
    1,822,813.12x = 2,731,841.44 × 1,319,070.88
  4. Step 4: Simplify right side
    1,822,813.12x = 3,603,492,492,281.27
  5. Step 5: Solve for x
    x = 3,603,492,492,281.27/1,822,813.12
  6. Step 6: Final answer
    x = 1,976,885.32

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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.