Finding the Fourth Proportional to 3,621,431.80, 5,432,876.70 and 1,062,641.80
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Solution
The fourth proportional to 3,621,431.80, 5,432,876.70 and 1,062,641.80 is: 1,594,176.61
Step by Step Solution
- Step 1: Write the proportion equation
3,621,431.80 : 5,432,876.70 = 1,062,641.80 : x - Step 2: Convert to fraction form
3,621,431.80/5,432,876.70 = 1,062,641.80/x - Step 3: Cross multiply
3,621,431.80x = 5,432,876.70 × 1,062,641.80 - Step 4: Simplify right side
3,621,431.80x = 5,773,201,875,666.06 - Step 5: Solve for x
x = 5,773,201,875,666.06/3,621,431.80 - Step 6: Final answer
x = 1,594,176.61
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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.