Finding the Fourth Proportional to 1,221,197.52, 1,683,305.37 and 962,652.84
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Solution
The fourth proportional to 1,221,197.52, 1,683,305.37 and 962,652.84 is: 1,326,925.96
Step by Step Solution
- Step 1: Write the proportion equation
1,221,197.52 : 1,683,305.37 = 962,652.84 : x - Step 2: Convert to fraction form
1,221,197.52/1,683,305.37 = 962,652.84/x - Step 3: Cross multiply
1,221,197.52x = 1,683,305.37 × 962,652.84 - Step 4: Simplify right side
1,221,197.52x = 1,620,438,695,017.75 - Step 5: Solve for x
x = 1,620,438,695,017.75/1,221,197.52 - Step 6: Final answer
x = 1,326,925.96
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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.