Home / 1,585,995.76-2,185,657.32-1,556,848.72

Finding the Fourth Proportional to 1,585,995.76, 2,185,657.32 and 1,556,848.72

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Solution

The fourth proportional to 1,585,995.76, 2,185,657.32 and 1,556,848.72 is: 2,145,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,995.76 : 2,185,657.32 = 1,556,848.72 : x
  2. Step 2: Convert to fraction form
    1,585,995.76/2,185,657.32 = 1,556,848.72/x
  3. Step 3: Cross multiply
    1,585,995.76x = 2,185,657.32 × 1,556,848.72
  4. Step 4: Simplify right side
    1,585,995.76x = 3,402,737,801,000.63
  5. Step 5: Solve for x
    x = 3,402,737,801,000.63/1,585,995.76
  6. Step 6: Final answer
    x = 2,145,489.85

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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.