Home / 2,107,290.42-2,908,070.04-1,140,420.86

Finding the Fourth Proportional to 2,107,290.42, 2,908,070.04 and 1,140,420.86

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Solution

The fourth proportional to 2,107,290.42, 2,908,070.04 and 1,140,420.86 is: 1,573,785.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,290.42 : 2,908,070.04 = 1,140,420.86 : x
  2. Step 2: Convert to fraction form
    2,107,290.42/2,908,070.04 = 1,140,420.86/x
  3. Step 3: Cross multiply
    2,107,290.42x = 2,908,070.04 × 1,140,420.86
  4. Step 4: Simplify right side
    2,107,290.42x = 3,316,423,721,416.68
  5. Step 5: Solve for x
    x = 3,316,423,721,416.68/2,107,290.42
  6. Step 6: Final answer
    x = 1,573,785.79

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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.