Finding the Fourth Proportional to 4,666,316.40, 6,985,477.80 and 4,389,490.80
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Solution
The fourth proportional to 4,666,316.40, 6,985,477.80 and 4,389,490.80 is: 6,571,069.75
Step by Step Solution
- Step 1: Write the proportion equation
4,666,316.40 : 6,985,477.80 = 4,389,490.80 : x - Step 2: Convert to fraction form
4,666,316.40/6,985,477.80 = 4,389,490.80/x - Step 3: Cross multiply
4,666,316.40x = 6,985,477.80 × 4,389,490.80 - Step 4: Simplify right side
4,666,316.40x = 30,662,690,536,704.24 - Step 5: Solve for x
x = 30,662,690,536,704.24/4,666,316.40 - Step 6: Final answer
x = 6,571,069.75
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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.