Finding the Fourth Proportional to 5,148,781.76, 7,724,421.12 and 1,554,334.08
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Solution
The fourth proportional to 5,148,781.76, 7,724,421.12 and 1,554,334.08 is: 2,331,878.02
Step by Step Solution
- Step 1: Write the proportion equation
5,148,781.76 : 7,724,421.12 = 1,554,334.08 : x - Step 2: Convert to fraction form
5,148,781.76/7,724,421.12 = 1,554,334.08/x - Step 3: Cross multiply
5,148,781.76x = 7,724,421.12 × 1,554,334.08 - Step 4: Simplify right side
5,148,781.76x = 12,006,330,995,087.77 - Step 5: Solve for x
x = 12,006,330,995,087.77/5,148,781.76 - Step 6: Final answer
x = 2,331,878.02
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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.