Home / 1,640,325.60-2,460,488.40-919,927.80

Finding the Fourth Proportional to 1,640,325.60, 2,460,488.40 and 919,927.80

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Solution

The fourth proportional to 1,640,325.60, 2,460,488.40 and 919,927.80 is: 1,379,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,325.60 : 2,460,488.40 = 919,927.80 : x
  2. Step 2: Convert to fraction form
    1,640,325.60/2,460,488.40 = 919,927.80/x
  3. Step 3: Cross multiply
    1,640,325.60x = 2,460,488.40 × 919,927.80
  4. Step 4: Simplify right side
    1,640,325.60x = 2,263,471,680,737.52
  5. Step 5: Solve for x
    x = 2,263,471,680,737.52/1,640,325.60
  6. Step 6: Final answer
    x = 1,379,891.70

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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.