Finding the Fourth Proportional to 5,364,282.13, 7,402,747.86 and 2,916,875.64
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Solution
The fourth proportional to 5,364,282.13, 7,402,747.86 and 2,916,875.64 is: 4,025,309.32
Step by Step Solution
- Step 1: Write the proportion equation
5,364,282.13 : 7,402,747.86 = 2,916,875.64 : x - Step 2: Convert to fraction form
5,364,282.13/7,402,747.86 = 2,916,875.64/x - Step 3: Cross multiply
5,364,282.13x = 7,402,747.86 × 2,916,875.64 - Step 4: Simplify right side
5,364,282.13x = 21,592,894,871,297.46 - Step 5: Solve for x
x = 21,592,894,871,297.46/5,364,282.13 - Step 6: Final answer
x = 4,025,309.32
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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.