Home / 1,915,658.03-2,872,654.20-549,130.77

Finding the Fourth Proportional to 1,915,658.03, 2,872,654.20 and 549,130.77

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Solution

The fourth proportional to 1,915,658.03, 2,872,654.20 and 549,130.77 is: 823,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,658.03 : 2,872,654.20 = 549,130.77 : x
  2. Step 2: Convert to fraction form
    1,915,658.03/2,872,654.20 = 549,130.77/x
  3. Step 3: Cross multiply
    1,915,658.03x = 2,872,654.20 × 549,130.77
  4. Step 4: Simplify right side
    1,915,658.03x = 1,577,462,812,789.73
  5. Step 5: Solve for x
    x = 1,577,462,812,789.73/1,915,658.03
  6. Step 6: Final answer
    x = 823,457.42

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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.