Finding the Fourth Proportional to 3,557,311.32, 4,909,083.98 and 1,925,718.26
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Solution
The fourth proportional to 3,557,311.32, 4,909,083.98 and 1,925,718.26 is: 2,657,488.14
Step by Step Solution
- Step 1: Write the proportion equation
3,557,311.32 : 4,909,083.98 = 1,925,718.26 : x - Step 2: Convert to fraction form
3,557,311.32/4,909,083.98 = 1,925,718.26/x - Step 3: Cross multiply
3,557,311.32x = 4,909,083.98 × 1,925,718.26 - Step 4: Simplify right side
3,557,311.32x = 9,453,512,635,530.59 - Step 5: Solve for x
x = 9,453,512,635,530.59/3,557,311.32 - Step 6: Final answer
x = 2,657,488.14
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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.