Home / 2,872,038.07-3,964,722.21-2,045,643.67

Finding the Fourth Proportional to 2,872,038.07, 3,964,722.21 and 2,045,643.67

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Solution

The fourth proportional to 2,872,038.07, 3,964,722.21 and 2,045,643.67 is: 2,823,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,038.07 : 3,964,722.21 = 2,045,643.67 : x
  2. Step 2: Convert to fraction form
    2,872,038.07/3,964,722.21 = 2,045,643.67/x
  3. Step 3: Cross multiply
    2,872,038.07x = 3,964,722.21 × 2,045,643.67
  4. Step 4: Simplify right side
    2,872,038.07x = 8,110,408,892,194.91
  5. Step 5: Solve for x
    x = 8,110,408,892,194.91/2,872,038.07
  6. Step 6: Final answer
    x = 2,823,921.10

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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.