Home / 2,242,207.68-3,094,312.32-1,223,678.40

Finding the Fourth Proportional to 2,242,207.68, 3,094,312.32 and 1,223,678.40

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Solution

The fourth proportional to 2,242,207.68, 3,094,312.32 and 1,223,678.40 is: 1,688,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,207.68 : 3,094,312.32 = 1,223,678.40 : x
  2. Step 2: Convert to fraction form
    2,242,207.68/3,094,312.32 = 1,223,678.40/x
  3. Step 3: Cross multiply
    2,242,207.68x = 3,094,312.32 × 1,223,678.40
  4. Step 4: Simplify right side
    2,242,207.68x = 3,786,443,148,837.89
  5. Step 5: Solve for x
    x = 3,786,443,148,837.89/2,242,207.68
  6. Step 6: Final answer
    x = 1,688,712.06

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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.