Home / 2,887,430.90-4,331,146.35-2,698,474.10

Finding the Fourth Proportional to 2,887,430.90, 4,331,146.35 and 2,698,474.10

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Solution

The fourth proportional to 2,887,430.90, 4,331,146.35 and 2,698,474.10 is: 4,047,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,430.90 : 4,331,146.35 = 2,698,474.10 : x
  2. Step 2: Convert to fraction form
    2,887,430.90/4,331,146.35 = 2,698,474.10/x
  3. Step 3: Cross multiply
    2,887,430.90x = 4,331,146.35 × 2,698,474.10
  4. Step 4: Simplify right side
    2,887,430.90x = 11,687,486,248,784.54
  5. Step 5: Solve for x
    x = 11,687,486,248,784.54/2,887,430.90
  6. Step 6: Final answer
    x = 4,047,711.15

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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.