Home / 1,918,722.98-2,647,823.98-1,047,557.64

Finding the Fourth Proportional to 1,918,722.98, 2,647,823.98 and 1,047,557.64

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Solution

The fourth proportional to 1,918,722.98, 2,647,823.98 and 1,047,557.64 is: 1,445,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,722.98 : 2,647,823.98 = 1,047,557.64 : x
  2. Step 2: Convert to fraction form
    1,918,722.98/2,647,823.98 = 1,047,557.64/x
  3. Step 3: Cross multiply
    1,918,722.98x = 2,647,823.98 × 1,047,557.64
  4. Step 4: Simplify right side
    1,918,722.98x = 2,773,748,239,624.21
  5. Step 5: Solve for x
    x = 2,773,748,239,624.21/1,918,722.98
  6. Step 6: Final answer
    x = 1,445,622.05

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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.