Home / 7,081,534.64-10,621,006-1,894,211.20

Finding the Fourth Proportional to 7,081,534.64, 10,621,006 and 1,894,211.20

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Solution

The fourth proportional to 7,081,534.64, 10,621,006 and 1,894,211.20 is: 2,840,970.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081,534.64 : 10,621,006 = 1,894,211.20 : x
  2. Step 2: Convert to fraction form
    7,081,534.64/10,621,006 = 1,894,211.20/x
  3. Step 3: Cross multiply
    7,081,534.64x = 10,621,006 × 1,894,211.20
  4. Step 4: Simplify right side
    7,081,534.64x = 20,118,428,520,467.20
  5. Step 5: Solve for x
    x = 20,118,428,520,467.20/7,081,534.64
  6. Step 6: Final answer
    x = 2,840,970.15

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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.