Home / 1,738,261.40-2,604,281.70-1,421,000.60

Finding the Fourth Proportional to 1,738,261.40, 2,604,281.70 and 1,421,000.60

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Solution

The fourth proportional to 1,738,261.40, 2,604,281.70 and 1,421,000.60 is: 2,128,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,261.40 : 2,604,281.70 = 1,421,000.60 : x
  2. Step 2: Convert to fraction form
    1,738,261.40/2,604,281.70 = 1,421,000.60/x
  3. Step 3: Cross multiply
    1,738,261.40x = 2,604,281.70 × 1,421,000.60
  4. Step 4: Simplify right side
    1,738,261.40x = 3,700,685,858,269.02
  5. Step 5: Solve for x
    x = 3,700,685,858,269.02/1,738,261.40
  6. Step 6: Final answer
    x = 2,128,958.20

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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.