Home / 5,429,026.77-8,143,533.27-1,385,514.67

Finding the Fourth Proportional to 5,429,026.77, 8,143,533.27 and 1,385,514.67

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Solution

The fourth proportional to 5,429,026.77, 8,143,533.27 and 1,385,514.67 is: 2,078,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,026.77 : 8,143,533.27 = 1,385,514.67 : x
  2. Step 2: Convert to fraction form
    5,429,026.77/8,143,533.27 = 1,385,514.67/x
  3. Step 3: Cross multiply
    5,429,026.77x = 8,143,533.27 × 1,385,514.67
  4. Step 4: Simplify right side
    5,429,026.77x = 11,282,984,810,025.12
  5. Step 5: Solve for x
    x = 11,282,984,810,025.12/5,429,026.77
  6. Step 6: Final answer
    x = 2,078,270.25

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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.