Finding the Fourth Proportional to 1,559,221.75, 2,151,726.02 and 843,829.75
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Solution
The fourth proportional to 1,559,221.75, 2,151,726.02 and 843,829.75 is: 1,164,485.06
Step by Step Solution
- Step 1: Write the proportion equation
1,559,221.75 : 2,151,726.02 = 843,829.75 : x - Step 2: Convert to fraction form
1,559,221.75/2,151,726.02 = 843,829.75/x - Step 3: Cross multiply
1,559,221.75x = 2,151,726.02 × 843,829.75 - Step 4: Simplify right side
1,559,221.75x = 1,815,690,429,525.10 - Step 5: Solve for x
x = 1,815,690,429,525.10/1,559,221.75 - Step 6: Final answer
x = 1,164,485.06
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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.