Finding the Fourth Proportional to 5,528,270.90, 8,292,406.35 and 5,421,982.70
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Solution
The fourth proportional to 5,528,270.90, 8,292,406.35 and 5,421,982.70 is: 8,132,974.05
Step by Step Solution
- Step 1: Write the proportion equation
5,528,270.90 : 8,292,406.35 = 5,421,982.70 : x - Step 2: Convert to fraction form
5,528,270.90/8,292,406.35 = 5,421,982.70/x - Step 3: Cross multiply
5,528,270.90x = 8,292,406.35 × 5,421,982.70 - Step 4: Simplify right side
5,528,270.90x = 44,961,283,771,070.14 - Step 5: Solve for x
x = 44,961,283,771,070.14/5,528,270.90 - Step 6: Final answer
x = 8,132,974.05
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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.