Home / 5,184,427.10-7,776,640.65-4,428,599.90

Finding the Fourth Proportional to 5,184,427.10, 7,776,640.65 and 4,428,599.90

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Solution

The fourth proportional to 5,184,427.10, 7,776,640.65 and 4,428,599.90 is: 6,642,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184,427.10 : 7,776,640.65 = 4,428,599.90 : x
  2. Step 2: Convert to fraction form
    5,184,427.10/7,776,640.65 = 4,428,599.90/x
  3. Step 3: Cross multiply
    5,184,427.10x = 7,776,640.65 × 4,428,599.90
  4. Step 4: Simplify right side
    5,184,427.10x = 34,439,630,004,925.94
  5. Step 5: Solve for x
    x = 34,439,630,004,925.94/5,184,427.10
  6. Step 6: Final answer
    x = 6,642,899.85

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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.