Home / 2,130,602.47-2,936,429.10-1,613,116.44

Finding the Fourth Proportional to 2,130,602.47, 2,936,429.10 and 1,613,116.44

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Solution

The fourth proportional to 2,130,602.47, 2,936,429.10 and 1,613,116.44 is: 2,223,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,602.47 : 2,936,429.10 = 1,613,116.44 : x
  2. Step 2: Convert to fraction form
    2,130,602.47/2,936,429.10 = 1,613,116.44/x
  3. Step 3: Cross multiply
    2,130,602.47x = 2,936,429.10 × 1,613,116.44
  4. Step 4: Simplify right side
    2,130,602.47x = 4,736,802,056,104.40
  5. Step 5: Solve for x
    x = 4,736,802,056,104.40/2,130,602.47
  6. Step 6: Final answer
    x = 2,223,221.90

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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.