Home / 1,462,237.30-2,190,245.55-1,213,405.30

Finding the Fourth Proportional to 1,462,237.30, 2,190,245.55 and 1,213,405.30

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Solution

The fourth proportional to 1,462,237.30, 2,190,245.55 and 1,213,405.30 is: 1,817,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,237.30 : 2,190,245.55 = 1,213,405.30 : x
  2. Step 2: Convert to fraction form
    1,462,237.30/2,190,245.55 = 1,213,405.30/x
  3. Step 3: Cross multiply
    1,462,237.30x = 2,190,245.55 × 1,213,405.30
  4. Step 4: Simplify right side
    1,462,237.30x = 2,657,655,558,671.42
  5. Step 5: Solve for x
    x = 2,657,655,558,671.42/1,462,237.30
  6. Step 6: Final answer
    x = 1,817,526.85

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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.