Finding the Fourth Proportional to 5,387,988.80, 7,437,849.36 and 3,553,535.36
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Solution
The fourth proportional to 5,387,988.80, 7,437,849.36 and 3,553,535.36 is: 4,905,478.03
Step by Step Solution
- Step 1: Write the proportion equation
5,387,988.80 : 7,437,849.36 = 3,553,535.36 : x - Step 2: Convert to fraction form
5,387,988.80/7,437,849.36 = 3,553,535.36/x - Step 3: Cross multiply
5,387,988.80x = 7,437,849.36 × 3,553,535.36 - Step 4: Simplify right side
5,387,988.80x = 26,430,660,703,113.37 - Step 5: Solve for x
x = 26,430,660,703,113.37/5,387,988.80 - Step 6: Final answer
x = 4,905,478.03
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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.