Finding the Fourth Proportional to 5,005,938.80, 6,908,331.60 and 2,830,807.52
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Solution
The fourth proportional to 5,005,938.80, 6,908,331.60 and 2,830,807.52 is: 3,906,591.32
Step by Step Solution
- Step 1: Write the proportion equation
5,005,938.80 : 6,908,331.60 = 2,830,807.52 : x - Step 2: Convert to fraction form
5,005,938.80/6,908,331.60 = 2,830,807.52/x - Step 3: Cross multiply
5,005,938.80x = 6,908,331.60 × 2,830,807.52 - Step 4: Simplify right side
5,005,938.80x = 19,556,157,043,933.63 - Step 5: Solve for x
x = 19,556,157,043,933.63/5,005,938.80 - Step 6: Final answer
x = 3,906,591.32
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1.5x scale
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.