Home / 4,309,965.39-6,464,980.47-1,913,165.67

Finding the Fourth Proportional to 4,309,965.39, 6,464,980.47 and 1,913,165.67

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Solution

The fourth proportional to 4,309,965.39, 6,464,980.47 and 1,913,165.67 is: 2,869,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,965.39 : 6,464,980.47 = 1,913,165.67 : x
  2. Step 2: Convert to fraction form
    4,309,965.39/6,464,980.47 = 1,913,165.67/x
  3. Step 3: Cross multiply
    4,309,965.39x = 6,464,980.47 × 1,913,165.67
  4. Step 4: Simplify right side
    4,309,965.39x = 12,368,578,692,424.46
  5. Step 5: Solve for x
    x = 12,368,578,692,424.46/4,309,965.39
  6. Step 6: Final answer
    x = 2,869,762.88

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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.