Home / 5,123,640.14-7,070,430.14-2,800,513.07

Finding the Fourth Proportional to 5,123,640.14, 7,070,430.14 and 2,800,513.07

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Solution

The fourth proportional to 5,123,640.14, 7,070,430.14 and 2,800,513.07 is: 3,864,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123,640.14 : 7,070,430.14 = 2,800,513.07 : x
  2. Step 2: Convert to fraction form
    5,123,640.14/7,070,430.14 = 2,800,513.07/x
  3. Step 3: Cross multiply
    5,123,640.14x = 7,070,430.14 × 2,800,513.07
  4. Step 4: Simplify right side
    5,123,640.14x = 19,800,831,968,237.21
  5. Step 5: Solve for x
    x = 19,800,831,968,237.21/5,123,640.14
  6. Step 6: Final answer
    x = 3,864,602.40

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1.5x scale

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.