Finding the Fourth Proportional to 1,551,177.15, 2,328,515.33 and 1,197,757.95
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Solution
The fourth proportional to 1,551,177.15, 2,328,515.33 and 1,197,757.95 is: 1,797,987.90
Step by Step Solution
- Step 1: Write the proportion equation
1,551,177.15 : 2,328,515.33 = 1,197,757.95 : x - Step 2: Convert to fraction form
1,551,177.15/2,328,515.33 = 1,197,757.95/x - Step 3: Cross multiply
1,551,177.15x = 2,328,515.33 × 1,197,757.95 - Step 4: Simplify right side
1,551,177.15x = 2,788,997,742,215.58 - Step 5: Solve for x
x = 2,788,997,742,215.58/1,551,177.15 - Step 6: Final answer
x = 1,797,987.90
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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.