Finding the Fourth Proportional to 5,335,985.91, 7,363,652.25 and 2,888,596.31
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Solution
The fourth proportional to 5,335,985.91, 7,363,652.25 and 2,888,596.31 is: 3,986,258.40
Step by Step Solution
- Step 1: Write the proportion equation
5,335,985.91 : 7,363,652.25 = 2,888,596.31 : x - Step 2: Convert to fraction form
5,335,985.91/7,363,652.25 = 2,888,596.31/x - Step 3: Cross multiply
5,335,985.91x = 7,363,652.25 × 2,888,596.31 - Step 4: Simplify right side
5,335,985.91x = 21,270,618,680,654.94 - Step 5: Solve for x
x = 21,270,618,680,654.94/5,335,985.91 - Step 6: Final answer
x = 3,986,258.40
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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.