Home / 4,116,091.20-6,174,136.80-1,276,490.40

Finding the Fourth Proportional to 4,116,091.20, 6,174,136.80 and 1,276,490.40

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Solution

The fourth proportional to 4,116,091.20, 6,174,136.80 and 1,276,490.40 is: 1,914,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116,091.20 : 6,174,136.80 = 1,276,490.40 : x
  2. Step 2: Convert to fraction form
    4,116,091.20/6,174,136.80 = 1,276,490.40/x
  3. Step 3: Cross multiply
    4,116,091.20x = 6,174,136.80 × 1,276,490.40
  4. Step 4: Simplify right side
    4,116,091.20x = 7,881,226,353,486.72
  5. Step 5: Solve for x
    x = 7,881,226,353,486.72/4,116,091.20
  6. Step 6: Final answer
    x = 1,914,735.60

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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.