Finding the Fourth Proportional to 5,356,931.52, 7,392,619.84 and 2,909,566.08
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Solution
The fourth proportional to 5,356,931.52, 7,392,619.84 and 2,909,566.08 is: 4,015,230.71
Step by Step Solution
- Step 1: Write the proportion equation
5,356,931.52 : 7,392,619.84 = 2,909,566.08 : x - Step 2: Convert to fraction form
5,356,931.52/7,392,619.84 = 2,909,566.08/x - Step 3: Cross multiply
5,356,931.52x = 7,392,619.84 × 2,909,566.08 - Step 4: Simplify right side
5,356,931.52x = 21,509,315,928,799.03 - Step 5: Solve for x
x = 21,509,315,928,799.03/5,356,931.52 - Step 6: Final answer
x = 4,015,230.71
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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.