Finding the Fourth Proportional to 5,341,074.33, 7,370,672.61 and 2,893,746.21
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Solution
The fourth proportional to 5,341,074.33, 7,370,672.61 and 2,893,746.21 is: 3,993,364.36
Step by Step Solution
- Step 1: Write the proportion equation
5,341,074.33 : 7,370,672.61 = 2,893,746.21 : x - Step 2: Convert to fraction form
5,341,074.33/7,370,672.61 = 2,893,746.21/x - Step 3: Cross multiply
5,341,074.33x = 7,370,672.61 × 2,893,746.21 - Step 4: Simplify right side
5,341,074.33x = 21,328,855,897,272.51 - Step 5: Solve for x
x = 21,328,855,897,272.51/5,341,074.33 - Step 6: Final answer
x = 3,993,364.36
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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.