Finding the Fourth Proportional to 5,187,302.60, 7,789,701.90 and 4,333,497.80
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Solution
The fourth proportional to 5,187,302.60, 7,789,701.90 and 4,333,497.80 is: 6,507,554.82
Step by Step Solution
- Step 1: Write the proportion equation
5,187,302.60 : 7,789,701.90 = 4,333,497.80 : x - Step 2: Convert to fraction form
5,187,302.60/7,789,701.90 = 4,333,497.80/x - Step 3: Cross multiply
5,187,302.60x = 7,789,701.90 × 4,333,497.80 - Step 4: Simplify right side
5,187,302.60x = 33,756,656,046,305.82 - Step 5: Solve for x
x = 33,756,656,046,305.82/5,187,302.60 - Step 6: Final answer
x = 6,507,554.82
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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.