Home / 1,977,641.64-2,729,069.70-1,118,219.88

Finding the Fourth Proportional to 1,977,641.64, 2,729,069.70 and 1,118,219.88

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Solution

The fourth proportional to 1,977,641.64, 2,729,069.70 and 1,118,219.88 is: 1,543,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,641.64 : 2,729,069.70 = 1,118,219.88 : x
  2. Step 2: Convert to fraction form
    1,977,641.64/2,729,069.70 = 1,118,219.88/x
  3. Step 3: Cross multiply
    1,977,641.64x = 2,729,069.70 × 1,118,219.88
  4. Step 4: Simplify right side
    1,977,641.64x = 3,051,699,992,445.64
  5. Step 5: Solve for x
    x = 3,051,699,992,445.64/1,977,641.64
  6. Step 6: Final answer
    x = 1,543,100.60

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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.