Home / 1,564,618.11-2,158,802.90-885,554.61

Finding the Fourth Proportional to 1,564,618.11, 2,158,802.90 and 885,554.61

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Solution

The fourth proportional to 1,564,618.11, 2,158,802.90 and 885,554.61 is: 1,221,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,618.11 : 2,158,802.90 = 885,554.61 : x
  2. Step 2: Convert to fraction form
    1,564,618.11/2,158,802.90 = 885,554.61/x
  3. Step 3: Cross multiply
    1,564,618.11x = 2,158,802.90 × 885,554.61
  4. Step 4: Simplify right side
    1,564,618.11x = 1,911,737,860,176.37
  5. Step 5: Solve for x
    x = 1,911,737,860,176.37/1,564,618.11
  6. Step 6: Final answer
    x = 1,221,855.89

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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.