Home / 1,889,223.75-2,607,090.03-1,029,776.49

Finding the Fourth Proportional to 1,889,223.75, 2,607,090.03 and 1,029,776.49

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Solution

The fourth proportional to 1,889,223.75, 2,607,090.03 and 1,029,776.49 is: 1,421,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,223.75 : 2,607,090.03 = 1,029,776.49 : x
  2. Step 2: Convert to fraction form
    1,889,223.75/2,607,090.03 = 1,029,776.49/x
  3. Step 3: Cross multiply
    1,889,223.75x = 2,607,090.03 × 1,029,776.49
  4. Step 4: Simplify right side
    1,889,223.75x = 2,684,720,020,207.39
  5. Step 5: Solve for x
    x = 2,684,720,020,207.39/1,889,223.75
  6. Step 6: Final answer
    x = 1,421,070.44

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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.