Home / 6,428,547.16-9,642,230.24-2,168,752.30

Finding the Fourth Proportional to 6,428,547.16, 9,642,230.24 and 2,168,752.30

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Solution

The fourth proportional to 6,428,547.16, 9,642,230.24 and 2,168,752.30 is: 3,252,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,547.16 : 9,642,230.24 = 2,168,752.30 : x
  2. Step 2: Convert to fraction form
    6,428,547.16/9,642,230.24 = 2,168,752.30/x
  3. Step 3: Cross multiply
    6,428,547.16x = 9,642,230.24 × 2,168,752.30
  4. Step 4: Simplify right side
    6,428,547.16x = 20,911,608,975,180.21
  5. Step 5: Solve for x
    x = 20,911,608,975,180.21/6,428,547.16
  6. Step 6: Final answer
    x = 3,252,929.23

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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.