Home / 1,809,787.65-2,496,359.20-1,111,762.86

Finding the Fourth Proportional to 1,809,787.65, 2,496,359.20 and 1,111,762.86

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Solution

The fourth proportional to 1,809,787.65, 2,496,359.20 and 1,111,762.86 is: 1,533,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809,787.65 : 2,496,359.20 = 1,111,762.86 : x
  2. Step 2: Convert to fraction form
    1,809,787.65/2,496,359.20 = 1,111,762.86/x
  3. Step 3: Cross multiply
    1,809,787.65x = 2,496,359.20 × 1,111,762.86
  4. Step 4: Simplify right side
    1,809,787.65x = 2,775,359,443,779.31
  5. Step 5: Solve for x
    x = 2,775,359,443,779.31/1,809,787.65
  6. Step 6: Final answer
    x = 1,533,527.67

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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.