Finding the Fourth Proportional to 3,719,170.92, 5,575,681.98 and 1,413,186.76
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Solution
The fourth proportional to 3,719,170.92, 5,575,681.98 and 1,413,186.76 is: 2,118,611.95
Step by Step Solution
- Step 1: Write the proportion equation
3,719,170.92 : 5,575,681.98 = 1,413,186.76 : x - Step 2: Convert to fraction form
3,719,170.92/5,575,681.98 = 1,413,186.76/x - Step 3: Cross multiply
3,719,170.92x = 5,575,681.98 × 1,413,186.76 - Step 4: Simplify right side
3,719,170.92x = 7,879,479,952,106.59 - Step 5: Solve for x
x = 7,879,479,952,106.59/3,719,170.92 - Step 6: Final answer
x = 2,118,611.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.