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Finding the Fourth Proportional to 3,566,239.84, 5,349,341.04 and 870,579.28

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Solution

The fourth proportional to 3,566,239.84, 5,349,341.04 and 870,579.28 is: 1,305,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566,239.84 : 5,349,341.04 = 870,579.28 : x
  2. Step 2: Convert to fraction form
    3,566,239.84/5,349,341.04 = 870,579.28/x
  3. Step 3: Cross multiply
    3,566,239.84x = 5,349,341.04 × 870,579.28
  4. Step 4: Simplify right side
    3,566,239.84x = 4,657,025,471,077.65
  5. Step 5: Solve for x
    x = 4,657,025,471,077.65/3,566,239.84
  6. Step 6: Final answer
    x = 1,305,864.35

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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.