Home / 1,905,130.50-2,629,114.02-1,045,770.72

Finding the Fourth Proportional to 1,905,130.50, 2,629,114.02 and 1,045,770.72

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Solution

The fourth proportional to 1,905,130.50, 2,629,114.02 and 1,045,770.72 is: 1,443,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,130.50 : 2,629,114.02 = 1,045,770.72 : x
  2. Step 2: Convert to fraction form
    1,905,130.50/2,629,114.02 = 1,045,770.72/x
  3. Step 3: Cross multiply
    1,905,130.50x = 2,629,114.02 × 1,045,770.72
  4. Step 4: Simplify right side
    1,905,130.50x = 2,749,450,461,657.49
  5. Step 5: Solve for x
    x = 2,749,450,461,657.49/1,905,130.50
  6. Step 6: Final answer
    x = 1,443,182.22

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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.