Finding the Fourth Proportional to 3,399,112.80, 4,690,909.44 and 1,871,362.08
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Solution
The fourth proportional to 3,399,112.80, 4,690,909.44 and 1,871,362.08 is: 2,582,553.32
Step by Step Solution
- Step 1: Write the proportion equation
3,399,112.80 : 4,690,909.44 = 1,871,362.08 : x - Step 2: Convert to fraction form
3,399,112.80/4,690,909.44 = 1,871,362.08/x - Step 3: Cross multiply
3,399,112.80x = 4,690,909.44 × 1,871,362.08 - Step 4: Simplify right side
3,399,112.80x = 8,778,390,046,730.04 - Step 5: Solve for x
x = 8,778,390,046,730.04/3,399,112.80 - Step 6: Final answer
x = 2,582,553.32
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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.