Finding the Fourth Proportional to 5,536,772.80, 8,289,412.80 and 4,266,563.20
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Solution
The fourth proportional to 5,536,772.80, 8,289,412.80 and 4,266,563.20 is: 6,387,710.83
Step by Step Solution
- Step 1: Write the proportion equation
5,536,772.80 : 8,289,412.80 = 4,266,563.20 : x - Step 2: Convert to fraction form
5,536,772.80/8,289,412.80 = 4,266,563.20/x - Step 3: Cross multiply
5,536,772.80x = 8,289,412.80 × 4,266,563.20 - Step 4: Simplify right side
5,536,772.80x = 35,367,303,602,088.96 - Step 5: Solve for x
x = 35,367,303,602,088.96/5,536,772.80 - Step 6: Final answer
x = 6,387,710.83
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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.