Home / 1,512,064.80-2,262,848.40-1,386,093.60

Finding the Fourth Proportional to 1,512,064.80, 2,262,848.40 and 1,386,093.60

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Solution

The fourth proportional to 1,512,064.80, 2,262,848.40 and 1,386,093.60 is: 2,074,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,064.80 : 2,262,848.40 = 1,386,093.60 : x
  2. Step 2: Convert to fraction form
    1,512,064.80/2,262,848.40 = 1,386,093.60/x
  3. Step 3: Cross multiply
    1,512,064.80x = 2,262,848.40 × 1,386,093.60
  4. Step 4: Simplify right side
    1,512,064.80x = 3,136,519,685,010.24
  5. Step 5: Solve for x
    x = 3,136,519,685,010.24/1,512,064.80
  6. Step 6: Final answer
    x = 2,074,328.88

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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.