Home / 1,919,080.60-2,878,620.90-974,296.60

Finding the Fourth Proportional to 1,919,080.60, 2,878,620.90 and 974,296.60

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Solution

The fourth proportional to 1,919,080.60, 2,878,620.90 and 974,296.60 is: 1,461,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,080.60 : 2,878,620.90 = 974,296.60 : x
  2. Step 2: Convert to fraction form
    1,919,080.60/2,878,620.90 = 974,296.60/x
  3. Step 3: Cross multiply
    1,919,080.60x = 2,878,620.90 × 974,296.60
  4. Step 4: Simplify right side
    1,919,080.60x = 2,804,630,555,558.94
  5. Step 5: Solve for x
    x = 2,804,630,555,558.94/1,919,080.60
  6. Step 6: Final answer
    x = 1,461,444.90

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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.