Home / 6,921,402.30-10,376,482.86-2,880,914.58

Finding the Fourth Proportional to 6,921,402.30, 10,376,482.86 and 2,880,914.58

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Solution

The fourth proportional to 6,921,402.30, 10,376,482.86 and 2,880,914.58 is: 4,319,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,402.30 : 10,376,482.86 = 2,880,914.58 : x
  2. Step 2: Convert to fraction form
    6,921,402.30/10,376,482.86 = 2,880,914.58/x
  3. Step 3: Cross multiply
    6,921,402.30x = 10,376,482.86 × 2,880,914.58
  4. Step 4: Simplify right side
    6,921,402.30x = 29,893,760,760,494.10
  5. Step 5: Solve for x
    x = 29,893,760,760,494.10/6,921,402.30
  6. Step 6: Final answer
    x = 4,319,032.40

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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.