Home / 5,811,688.89-8,719,495.18-2,572,779.79

Finding the Fourth Proportional to 5,811,688.89, 8,719,495.18 and 2,572,779.79

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Solution

The fourth proportional to 5,811,688.89, 8,719,495.18 and 2,572,779.79 is: 3,860,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811,688.89 : 8,719,495.18 = 2,572,779.79 : x
  2. Step 2: Convert to fraction form
    5,811,688.89/8,719,495.18 = 2,572,779.79/x
  3. Step 3: Cross multiply
    5,811,688.89x = 8,719,495.18 × 2,572,779.79
  4. Step 4: Simplify right side
    5,811,688.89x = 22,433,340,978,106.41
  5. Step 5: Solve for x
    x = 22,433,340,978,106.41/5,811,688.89
  6. Step 6: Final answer
    x = 3,860,038.18

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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.