Finding the Fourth Proportional to 1,582,101.70, 2,372,569.35 and 783,117.70
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Solution
The fourth proportional to 1,582,101.70, 2,372,569.35 and 783,117.70 is: 1,174,387.87
Step by Step Solution
- Step 1: Write the proportion equation
1,582,101.70 : 2,372,569.35 = 783,117.70 : x - Step 2: Convert to fraction form
1,582,101.70/2,372,569.35 = 783,117.70/x - Step 3: Cross multiply
1,582,101.70x = 2,372,569.35 × 783,117.70 - Step 4: Simplify right side
1,582,101.70x = 1,858,001,052,462.50 - Step 5: Solve for x
x = 1,858,001,052,462.50/1,582,101.70 - Step 6: Final answer
x = 1,174,387.87
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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.