Home / 2,828,117.12-4,242,839.88-934,858.50

Finding the Fourth Proportional to 2,828,117.12, 4,242,839.88 and 934,858.50

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Solution

The fourth proportional to 2,828,117.12, 4,242,839.88 and 934,858.50 is: 1,402,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828,117.12 : 4,242,839.88 = 934,858.50 : x
  2. Step 2: Convert to fraction form
    2,828,117.12/4,242,839.88 = 934,858.50/x
  3. Step 3: Cross multiply
    2,828,117.12x = 4,242,839.88 × 934,858.50
  4. Step 4: Simplify right side
    2,828,117.12x = 3,966,454,925,956.98
  5. Step 5: Solve for x
    x = 3,966,454,925,956.98/2,828,117.12
  6. Step 6: Final answer
    x = 1,402,507.31

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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.