Home / 3,430,156.50-4,733,622.72-1,881,430.80

Finding the Fourth Proportional to 3,430,156.50, 4,733,622.72 and 1,881,430.80

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Solution

The fourth proportional to 3,430,156.50, 4,733,622.72 and 1,881,430.80 is: 2,596,378.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430,156.50 : 4,733,622.72 = 1,881,430.80 : x
  2. Step 2: Convert to fraction form
    3,430,156.50/4,733,622.72 = 1,881,430.80/x
  3. Step 3: Cross multiply
    3,430,156.50x = 4,733,622.72 × 1,881,430.80
  4. Step 4: Simplify right side
    3,430,156.50x = 8,905,983,580,987.78
  5. Step 5: Solve for x
    x = 8,905,983,580,987.78/3,430,156.50
  6. Step 6: Final answer
    x = 2,596,378.21

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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.