Home / 5,234,465.49-7,851,700.97-1,640,512.35

Finding the Fourth Proportional to 5,234,465.49, 7,851,700.97 and 1,640,512.35

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Solution

The fourth proportional to 5,234,465.49, 7,851,700.97 and 1,640,512.35 is: 2,460,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234,465.49 : 7,851,700.97 = 1,640,512.35 : x
  2. Step 2: Convert to fraction form
    5,234,465.49/7,851,700.97 = 1,640,512.35/x
  3. Step 3: Cross multiply
    5,234,465.49x = 7,851,700.97 × 1,640,512.35
  4. Step 4: Simplify right side
    5,234,465.49x = 12,880,812,390,272.37
  5. Step 5: Solve for x
    x = 12,880,812,390,272.37/5,234,465.49
  6. Step 6: Final answer
    x = 2,460,769.38

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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.