Home / 1,575,407.80-2,365,962.90-1,379,452.60

Finding the Fourth Proportional to 1,575,407.80, 2,365,962.90 and 1,379,452.60

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Solution

The fourth proportional to 1,575,407.80, 2,365,962.90 and 1,379,452.60 is: 2,071,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,407.80 : 2,365,962.90 = 1,379,452.60 : x
  2. Step 2: Convert to fraction form
    1,575,407.80/2,365,962.90 = 1,379,452.60/x
  3. Step 3: Cross multiply
    1,575,407.80x = 2,365,962.90 × 1,379,452.60
  4. Step 4: Simplify right side
    1,575,407.80x = 3,263,733,673,908.54
  5. Step 5: Solve for x
    x = 3,263,733,673,908.54/1,575,407.80
  6. Step 6: Final answer
    x = 2,071,675.46

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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.