Home / 3,920,107.13-5,871,587.65-2,779,411.67

Finding the Fourth Proportional to 3,920,107.13, 5,871,587.65 and 2,779,411.67

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Solution

The fourth proportional to 3,920,107.13, 5,871,587.65 and 2,779,411.67 is: 4,163,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,107.13 : 5,871,587.65 = 2,779,411.67 : x
  2. Step 2: Convert to fraction form
    3,920,107.13/5,871,587.65 = 2,779,411.67/x
  3. Step 3: Cross multiply
    3,920,107.13x = 5,871,587.65 × 2,779,411.67
  4. Step 4: Simplify right side
    3,920,107.13x = 16,319,559,235,837.88
  5. Step 5: Solve for x
    x = 16,319,559,235,837.88/3,920,107.13
  6. Step 6: Final answer
    x = 4,163,039.09

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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.