Home / 1,900,943-2,851,389.89-461,638.21

Finding the Fourth Proportional to 1,900,943, 2,851,389.89 and 461,638.21

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Solution

The fourth proportional to 1,900,943, 2,851,389.89 and 461,638.21 is: 692,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,943 : 2,851,389.89 = 461,638.21 : x
  2. Step 2: Convert to fraction form
    1,900,943/2,851,389.89 = 461,638.21/x
  3. Step 3: Cross multiply
    1,900,943x = 2,851,389.89 × 461,638.21
  4. Step 4: Simplify right side
    1,900,943x = 1,316,310,524,831.70
  5. Step 5: Solve for x
    x = 1,316,310,524,831.70/1,900,943
  6. Step 6: Final answer
    x = 692,451.34

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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.