Home / 6,390,736.32-8,819,276.20-3,637,288.76

Finding the Fourth Proportional to 6,390,736.32, 8,819,276.20 and 3,637,288.76

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Solution

The fourth proportional to 6,390,736.32, 8,819,276.20 and 3,637,288.76 is: 5,019,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,736.32 : 8,819,276.20 = 3,637,288.76 : x
  2. Step 2: Convert to fraction form
    6,390,736.32/8,819,276.20 = 3,637,288.76/x
  3. Step 3: Cross multiply
    6,390,736.32x = 8,819,276.20 × 3,637,288.76
  4. Step 4: Simplify right side
    6,390,736.32x = 32,078,254,193,595.51
  5. Step 5: Solve for x
    x = 32,078,254,193,595.51/6,390,736.32
  6. Step 6: Final answer
    x = 5,019,492.68

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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.