Home / 5,158,258.59-7,118,136.79-2,866,370.07

Finding the Fourth Proportional to 5,158,258.59, 7,118,136.79 and 2,866,370.07

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Solution

The fourth proportional to 5,158,258.59, 7,118,136.79 and 2,866,370.07 is: 3,955,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,258.59 : 7,118,136.79 = 2,866,370.07 : x
  2. Step 2: Convert to fraction form
    5,158,258.59/7,118,136.79 = 2,866,370.07/x
  3. Step 3: Cross multiply
    5,158,258.59x = 7,118,136.79 × 2,866,370.07
  4. Step 4: Simplify right side
    5,158,258.59x = 20,403,214,241,855.95
  5. Step 5: Solve for x
    x = 20,403,214,241,855.95/5,158,258.59
  6. Step 6: Final answer
    x = 3,955,446.18

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1.5x scale

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.