Home / 2,423,121.52-3,343,920.97-1,390,547.20

Finding the Fourth Proportional to 2,423,121.52, 3,343,920.97 and 1,390,547.20

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Solution

The fourth proportional to 2,423,121.52, 3,343,920.97 and 1,390,547.20 is: 1,918,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423,121.52 : 3,343,920.97 = 1,390,547.20 : x
  2. Step 2: Convert to fraction form
    2,423,121.52/3,343,920.97 = 1,390,547.20/x
  3. Step 3: Cross multiply
    2,423,121.52x = 3,343,920.97 × 1,390,547.20
  4. Step 4: Simplify right side
    2,423,121.52x = 4,649,879,925,135.18
  5. Step 5: Solve for x
    x = 4,649,879,925,135.18/2,423,121.52
  6. Step 6: Final answer
    x = 1,918,962.75

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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.