Home / 3,148,195.63-4,723,118.14-989,133.51

Finding the Fourth Proportional to 3,148,195.63, 4,723,118.14 and 989,133.51

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Solution

The fourth proportional to 3,148,195.63, 4,723,118.14 and 989,133.51 is: 1,483,959.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,195.63 : 4,723,118.14 = 989,133.51 : x
  2. Step 2: Convert to fraction form
    3,148,195.63/4,723,118.14 = 989,133.51/x
  3. Step 3: Cross multiply
    3,148,195.63x = 4,723,118.14 × 989,133.51
  4. Step 4: Simplify right side
    3,148,195.63x = 4,671,794,423,962.87
  5. Step 5: Solve for x
    x = 4,671,794,423,962.87/3,148,195.63
  6. Step 6: Final answer
    x = 1,483,959.38

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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.