Home / 3,688,480.64-5,090,125.60-2,056,991.28

Finding the Fourth Proportional to 3,688,480.64, 5,090,125.60 and 2,056,991.28

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Solution

The fourth proportional to 3,688,480.64, 5,090,125.60 and 2,056,991.28 is: 2,838,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,480.64 : 5,090,125.60 = 2,056,991.28 : x
  2. Step 2: Convert to fraction form
    3,688,480.64/5,090,125.60 = 2,056,991.28/x
  3. Step 3: Cross multiply
    3,688,480.64x = 5,090,125.60 × 2,056,991.28
  4. Step 4: Simplify right side
    3,688,480.64x = 10,470,343,973,304.77
  5. Step 5: Solve for x
    x = 10,470,343,973,304.77/3,688,480.64
  6. Step 6: Final answer
    x = 2,838,660.41

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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.