Finding the Fourth Proportional to 5,070,566.52, 6,997,436.91 and 2,778,678
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Solution
The fourth proportional to 5,070,566.52, 6,997,436.91 and 2,778,678 is: 3,834,605.84
Step by Step Solution
- Step 1: Write the proportion equation
5,070,566.52 : 6,997,436.91 = 2,778,678 : x - Step 2: Convert to fraction form
5,070,566.52/6,997,436.91 = 2,778,678/x - Step 3: Cross multiply
5,070,566.52x = 6,997,436.91 × 2,778,678 - Step 4: Simplify right side
5,070,566.52x = 19,443,623,998,204.98 - Step 5: Solve for x
x = 19,443,623,998,204.98/5,070,566.52 - Step 6: Final answer
x = 3,834,605.84
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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.