Home / 6,428,545.09-9,642,227.14-2,168,750.23

Finding the Fourth Proportional to 6,428,545.09, 9,642,227.14 and 2,168,750.23

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Solution

The fourth proportional to 6,428,545.09, 9,642,227.14 and 2,168,750.23 is: 3,252,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,545.09 : 9,642,227.14 = 2,168,750.23 : x
  2. Step 2: Convert to fraction form
    6,428,545.09/9,642,227.14 = 2,168,750.23/x
  3. Step 3: Cross multiply
    6,428,545.09x = 9,642,227.14 × 2,168,750.23
  4. Step 4: Simplify right side
    6,428,545.09x = 20,911,582,360,430.14
  5. Step 5: Solve for x
    x = 20,911,582,360,430.14/6,428,545.09
  6. Step 6: Final answer
    x = 3,252,926.14

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1.5x scale

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.