Finding the Fourth Proportional to 7,644,398.61, 10,549,262.98 and 4,206,639.64
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Solution
The fourth proportional to 7,644,398.61, 10,549,262.98 and 4,206,639.64 is: 5,805,158.80
Step by Step Solution
- Step 1: Write the proportion equation
7,644,398.61 : 10,549,262.98 = 4,206,639.64 : x - Step 2: Convert to fraction form
7,644,398.61/10,549,262.98 = 4,206,639.64/x - Step 3: Cross multiply
7,644,398.61x = 10,549,262.98 × 4,206,639.64 - Step 4: Simplify right side
7,644,398.61x = 44,376,947,824,452.52 - Step 5: Solve for x
x = 44,376,947,824,452.52/7,644,398.61 - Step 6: Final answer
x = 5,805,158.80
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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.