Home / 2,109,720.11-2,911,421.48-1,142,848.08

Finding the Fourth Proportional to 2,109,720.11, 2,911,421.48 and 1,142,848.08

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Solution

The fourth proportional to 2,109,720.11, 2,911,421.48 and 1,142,848.08 is: 1,577,134.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,720.11 : 2,911,421.48 = 1,142,848.08 : x
  2. Step 2: Convert to fraction form
    2,109,720.11/2,911,421.48 = 1,142,848.08/x
  3. Step 3: Cross multiply
    2,109,720.11x = 2,911,421.48 × 1,142,848.08
  4. Step 4: Simplify right side
    2,109,720.11x = 3,327,312,442,774.52
  5. Step 5: Solve for x
    x = 3,327,312,442,774.52/2,109,720.11
  6. Step 6: Final answer
    x = 1,577,134.54

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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.