Home / 4,245,038.72-6,368,554.53-1,405,150.88

Finding the Fourth Proportional to 4,245,038.72, 6,368,554.53 and 1,405,150.88

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Solution

The fourth proportional to 4,245,038.72, 6,368,554.53 and 1,405,150.88 is: 2,108,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245,038.72 : 6,368,554.53 = 1,405,150.88 : x
  2. Step 2: Convert to fraction form
    4,245,038.72/6,368,554.53 = 1,405,150.88/x
  3. Step 3: Cross multiply
    4,245,038.72x = 6,368,554.53 × 1,405,150.88
  4. Step 4: Simplify right side
    4,245,038.72x = 8,948,779,970,314.72
  5. Step 5: Solve for x
    x = 8,948,779,970,314.72/4,245,038.72
  6. Step 6: Final answer
    x = 2,108,056.15

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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.