Home / 5,472,869.40-8,210,081.70-1,685,957.40

Finding the Fourth Proportional to 5,472,869.40, 8,210,081.70 and 1,685,957.40

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Solution

The fourth proportional to 5,472,869.40, 8,210,081.70 and 1,685,957.40 is: 2,529,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,869.40 : 8,210,081.70 = 1,685,957.40 : x
  2. Step 2: Convert to fraction form
    5,472,869.40/8,210,081.70 = 1,685,957.40/x
  3. Step 3: Cross multiply
    5,472,869.40x = 8,210,081.70 × 1,685,957.40
  4. Step 4: Simplify right side
    5,472,869.40x = 13,841,847,996,719.58
  5. Step 5: Solve for x
    x = 13,841,847,996,719.58/5,472,869.40
  6. Step 6: Final answer
    x = 2,529,175.65

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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.