Finding the Fourth Proportional to 3,528,603.74, 5,290,774.61 and 1,582,976.05
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Solution
The fourth proportional to 3,528,603.74, 5,290,774.61 and 1,582,976.05 is: 2,373,508.07
Step by Step Solution
- Step 1: Write the proportion equation
3,528,603.74 : 5,290,774.61 = 1,582,976.05 : x - Step 2: Convert to fraction form
3,528,603.74/5,290,774.61 = 1,582,976.05/x - Step 3: Cross multiply
3,528,603.74x = 5,290,774.61 × 1,582,976.05 - Step 4: Simplify right side
3,528,603.74x = 8,375,169,472,436.28 - Step 5: Solve for x
x = 8,375,169,472,436.28/3,528,603.74 - Step 6: Final answer
x = 2,373,508.07
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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.