Home / 1,640,254.20-2,460,381.30-922,808.85

Finding the Fourth Proportional to 1,640,254.20, 2,460,381.30 and 922,808.85

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Solution

The fourth proportional to 1,640,254.20, 2,460,381.30 and 922,808.85 is: 1,384,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,254.20 : 2,460,381.30 = 922,808.85 : x
  2. Step 2: Convert to fraction form
    1,640,254.20/2,460,381.30 = 922,808.85/x
  3. Step 3: Cross multiply
    1,640,254.20x = 2,460,381.30 × 922,808.85
  4. Step 4: Simplify right side
    1,640,254.20x = 2,270,461,638,014.51
  5. Step 5: Solve for x
    x = 2,270,461,638,014.51/1,640,254.20
  6. Step 6: Final answer
    x = 1,384,213.28

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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.