Home / 1,510,512.20-2,084,551.81-930,070.25

Finding the Fourth Proportional to 1,510,512.20, 2,084,551.81 and 930,070.25

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Solution

The fourth proportional to 1,510,512.20, 2,084,551.81 and 930,070.25 is: 1,283,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,512.20 : 2,084,551.81 = 930,070.25 : x
  2. Step 2: Convert to fraction form
    1,510,512.20/2,084,551.81 = 930,070.25/x
  3. Step 3: Cross multiply
    1,510,512.20x = 2,084,551.81 × 930,070.25
  4. Step 4: Simplify right side
    1,510,512.20x = 1,938,779,618,133.79
  5. Step 5: Solve for x
    x = 1,938,779,618,133.79/1,510,512.20
  6. Step 6: Final answer
    x = 1,283,524.63

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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.