Finding the Fourth Proportional to 5,772,909.44, 7,966,618.12 and 3,159,412
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Solution
The fourth proportional to 5,772,909.44, 7,966,618.12 and 3,159,412 is: 4,359,990.25
Step by Step Solution
- Step 1: Write the proportion equation
5,772,909.44 : 7,966,618.12 = 3,159,412 : x - Step 2: Convert to fraction form
5,772,909.44/7,966,618.12 = 3,159,412/x - Step 3: Cross multiply
5,772,909.44x = 7,966,618.12 × 3,159,412 - Step 4: Simplify right side
5,772,909.44x = 25,169,828,887,745.44 - Step 5: Solve for x
x = 25,169,828,887,745.44/5,772,909.44 - Step 6: Final answer
x = 4,359,990.25
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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.