Home / 1,562,561.11-2,155,699.47-1,018,505.98

Finding the Fourth Proportional to 1,562,561.11, 2,155,699.47 and 1,018,505.98

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Solution

The fourth proportional to 1,562,561.11, 2,155,699.47 and 1,018,505.98 is: 1,405,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,561.11 : 2,155,699.47 = 1,018,505.98 : x
  2. Step 2: Convert to fraction form
    1,562,561.11/2,155,699.47 = 1,018,505.98/x
  3. Step 3: Cross multiply
    1,562,561.11x = 2,155,699.47 × 1,018,505.98
  4. Step 4: Simplify right side
    1,562,561.11x = 2,195,592,801,277.83
  5. Step 5: Solve for x
    x = 2,195,592,801,277.83/1,562,561.11
  6. Step 6: Final answer
    x = 1,405,124.44

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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.