Finding the Fourth Proportional to 1,615,158, 2,228,964.12 and 899,812.08
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Solution
The fourth proportional to 1,615,158, 2,228,964.12 and 899,812.08 is: 1,241,766.34
Step by Step Solution
- Step 1: Write the proportion equation
1,615,158 : 2,228,964.12 = 899,812.08 : x - Step 2: Convert to fraction form
1,615,158/2,228,964.12 = 899,812.08/x - Step 3: Cross multiply
1,615,158x = 2,228,964.12 × 899,812.08 - Step 4: Simplify right side
1,615,158x = 2,005,648,841,062.57 - Step 5: Solve for x
x = 2,005,648,841,062.57/1,615,158 - Step 6: Final answer
x = 1,241,766.34
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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.