Home / 5,472,678.12-8,210,345.86-1,686,160.86

Finding the Fourth Proportional to 5,472,678.12, 8,210,345.86 and 1,686,160.86

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Solution

The fourth proportional to 5,472,678.12, 8,210,345.86 and 1,686,160.86 is: 2,529,650.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472,678.12 : 8,210,345.86 = 1,686,160.86 : x
  2. Step 2: Convert to fraction form
    5,472,678.12/8,210,345.86 = 1,686,160.86/x
  3. Step 3: Cross multiply
    5,472,678.12x = 8,210,345.86 × 1,686,160.86
  4. Step 4: Simplify right side
    5,472,678.12x = 13,843,963,836,195.04
  5. Step 5: Solve for x
    x = 13,843,963,836,195.04/5,472,678.12
  6. Step 6: Final answer
    x = 2,529,650.66

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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.