Home / 2,977,557.85-4,466,779.64-1,380,282.40

Finding the Fourth Proportional to 2,977,557.85, 4,466,779.64 and 1,380,282.40

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Solution

The fourth proportional to 2,977,557.85, 4,466,779.64 and 1,380,282.40 is: 2,070,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977,557.85 : 4,466,779.64 = 1,380,282.40 : x
  2. Step 2: Convert to fraction form
    2,977,557.85/4,466,779.64 = 1,380,282.40/x
  3. Step 3: Cross multiply
    2,977,557.85x = 4,466,779.64 × 1,380,282.40
  4. Step 4: Simplify right side
    2,977,557.85x = 6,165,417,314,054.09
  5. Step 5: Solve for x
    x = 6,165,417,314,054.09/2,977,557.85
  6. Step 6: Final answer
    x = 2,070,628.89

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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.