Home / 1,326,115.37-1,989,186.93-1,061,557.61

Finding the Fourth Proportional to 1,326,115.37, 1,989,186.93 and 1,061,557.61

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Solution

The fourth proportional to 1,326,115.37, 1,989,186.93 and 1,061,557.61 is: 1,592,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,115.37 : 1,989,186.93 = 1,061,557.61 : x
  2. Step 2: Convert to fraction form
    1,326,115.37/1,989,186.93 = 1,061,557.61/x
  3. Step 3: Cross multiply
    1,326,115.37x = 1,989,186.93 × 1,061,557.61
  4. Step 4: Simplify right side
    1,326,115.37x = 2,111,636,523,254.04
  5. Step 5: Solve for x
    x = 2,111,636,523,254.04/1,326,115.37
  6. Step 6: Final answer
    x = 1,592,347.52

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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.