Home / 2,997,128.60-4,136,416.26-1,965,504.50

Finding the Fourth Proportional to 2,997,128.60, 4,136,416.26 and 1,965,504.50

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Solution

The fourth proportional to 2,997,128.60, 4,136,416.26 and 1,965,504.50 is: 2,712,644.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997,128.60 : 4,136,416.26 = 1,965,504.50 : x
  2. Step 2: Convert to fraction form
    2,997,128.60/4,136,416.26 = 1,965,504.50/x
  3. Step 3: Cross multiply
    2,997,128.60x = 4,136,416.26 × 1,965,504.50
  4. Step 4: Simplify right side
    2,997,128.60x = 8,130,144,772,903.17
  5. Step 5: Solve for x
    x = 8,130,144,772,903.17/2,997,128.60
  6. Step 6: Final answer
    x = 2,712,644.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.