Home / 6,390,513.09-9,590,530.41-4,689,053.01

Finding the Fourth Proportional to 6,390,513.09, 9,590,530.41 and 4,689,053.01

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Solution

The fourth proportional to 6,390,513.09, 9,590,530.41 and 4,689,053.01 is: 7,037,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,513.09 : 9,590,530.41 = 4,689,053.01 : x
  2. Step 2: Convert to fraction form
    6,390,513.09/9,590,530.41 = 4,689,053.01/x
  3. Step 3: Cross multiply
    6,390,513.09x = 9,590,530.41 × 4,689,053.01
  4. Step 4: Simplify right side
    6,390,513.09x = 44,970,505,486,507.03
  5. Step 5: Solve for x
    x = 44,970,505,486,507.03/6,390,513.09
  6. Step 6: Final answer
    x = 7,037,072.74

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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.