Home / 2,154,690.59-2,973,482.03-1,187,799.66

Finding the Fourth Proportional to 2,154,690.59, 2,973,482.03 and 1,187,799.66

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Solution

The fourth proportional to 2,154,690.59, 2,973,482.03 and 1,187,799.66 is: 1,639,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,690.59 : 2,973,482.03 = 1,187,799.66 : x
  2. Step 2: Convert to fraction form
    2,154,690.59/2,973,482.03 = 1,187,799.66/x
  3. Step 3: Cross multiply
    2,154,690.59x = 2,973,482.03 × 1,187,799.66
  4. Step 4: Simplify right side
    2,154,690.59x = 3,531,900,938,311.11
  5. Step 5: Solve for x
    x = 3,531,900,938,311.11/2,154,690.59
  6. Step 6: Final answer
    x = 1,639,168.50

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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.