Home / 2,166,271.32-2,989,547.88-1,199,401.65

Finding the Fourth Proportional to 2,166,271.32, 2,989,547.88 and 1,199,401.65

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Solution

The fourth proportional to 2,166,271.32, 2,989,547.88 and 1,199,401.65 is: 1,655,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,271.32 : 2,989,547.88 = 1,199,401.65 : x
  2. Step 2: Convert to fraction form
    2,166,271.32/2,989,547.88 = 1,199,401.65/x
  3. Step 3: Cross multiply
    2,166,271.32x = 2,989,547.88 × 1,199,401.65
  4. Step 4: Simplify right side
    2,166,271.32x = 3,585,668,660,026.00
  5. Step 5: Solve for x
    x = 3,585,668,660,026.00/2,166,271.32
  6. Step 6: Final answer
    x = 1,655,226.02

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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.