Home / 2,187,653.69-3,018,962.21-1,207,592.98

Finding the Fourth Proportional to 2,187,653.69, 3,018,962.21 and 1,207,592.98

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Solution

The fourth proportional to 2,187,653.69, 3,018,962.21 and 1,207,592.98 is: 1,666,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,653.69 : 3,018,962.21 = 1,207,592.98 : x
  2. Step 2: Convert to fraction form
    2,187,653.69/3,018,962.21 = 1,207,592.98/x
  3. Step 3: Cross multiply
    2,187,653.69x = 3,018,962.21 × 1,207,592.98
  4. Step 4: Simplify right side
    2,187,653.69x = 3,645,677,558,095.92
  5. Step 5: Solve for x
    x = 3,645,677,558,095.92/2,187,653.69
  6. Step 6: Final answer
    x = 1,666,478.37

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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.