Home / 1,640,331.90-2,460,497.85-919,934.10

Finding the Fourth Proportional to 1,640,331.90, 2,460,497.85 and 919,934.10

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Solution

The fourth proportional to 1,640,331.90, 2,460,497.85 and 919,934.10 is: 1,379,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,331.90 : 2,460,497.85 = 919,934.10 : x
  2. Step 2: Convert to fraction form
    1,640,331.90/2,460,497.85 = 919,934.10/x
  3. Step 3: Cross multiply
    1,640,331.90x = 2,460,497.85 × 919,934.10
  4. Step 4: Simplify right side
    1,640,331.90x = 2,263,495,875,191.69
  5. Step 5: Solve for x
    x = 2,263,495,875,191.69/1,640,331.90
  6. Step 6: Final answer
    x = 1,379,901.15

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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.