Home / 2,864,909.86-3,953,650.40-1,575,784.07

Finding the Fourth Proportional to 2,864,909.86, 3,953,650.40 and 1,575,784.07

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Solution

The fourth proportional to 2,864,909.86, 3,953,650.40 and 1,575,784.07 is: 2,174,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864,909.86 : 3,953,650.40 = 1,575,784.07 : x
  2. Step 2: Convert to fraction form
    2,864,909.86/3,953,650.40 = 1,575,784.07/x
  3. Step 3: Cross multiply
    2,864,909.86x = 3,953,650.40 × 1,575,784.07
  4. Step 4: Simplify right side
    2,864,909.86x = 6,230,099,333,996.62
  5. Step 5: Solve for x
    x = 6,230,099,333,996.62/2,864,909.86
  6. Step 6: Final answer
    x = 2,174,623.16

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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.