Home / 3,276,808-4,916,041.68-912,904

Finding the Fourth Proportional to 3,276,808, 4,916,041.68 and 912,904

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Solution

The fourth proportional to 3,276,808, 4,916,041.68 and 912,904 is: 1,369,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,808 : 4,916,041.68 = 912,904 : x
  2. Step 2: Convert to fraction form
    3,276,808/4,916,041.68 = 912,904/x
  3. Step 3: Cross multiply
    3,276,808x = 4,916,041.68 × 912,904
  4. Step 4: Simplify right side
    3,276,808x = 4,487,874,113,838.72
  5. Step 5: Solve for x
    x = 4,487,874,113,838.72/3,276,808
  6. Step 6: Final answer
    x = 1,369,587.15

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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.