Home / 2,870,072-3,960,699.52-1,663,547.84

Finding the Fourth Proportional to 2,870,072, 3,960,699.52 and 1,663,547.84

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Solution

The fourth proportional to 2,870,072, 3,960,699.52 and 1,663,547.84 is: 2,295,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,072 : 3,960,699.52 = 1,663,547.84 : x
  2. Step 2: Convert to fraction form
    2,870,072/3,960,699.52 = 1,663,547.84/x
  3. Step 3: Cross multiply
    2,870,072x = 3,960,699.52 × 1,663,547.84
  4. Step 4: Simplify right side
    2,870,072x = 6,588,813,131,385.04
  5. Step 5: Solve for x
    x = 6,588,813,131,385.04/2,870,072
  6. Step 6: Final answer
    x = 2,295,696.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.