Finding the Fourth Proportional to 1,666,240.93, 2,299,496.21 and 977,942.62
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Solution
The fourth proportional to 1,666,240.93, 2,299,496.21 and 977,942.62 is: 1,349,609.96
Step by Step Solution
- Step 1: Write the proportion equation
1,666,240.93 : 2,299,496.21 = 977,942.62 : x - Step 2: Convert to fraction form
1,666,240.93/2,299,496.21 = 977,942.62/x - Step 3: Cross multiply
1,666,240.93x = 2,299,496.21 × 977,942.62 - Step 4: Simplify right side
1,666,240.93x = 2,248,775,348,287.47 - Step 5: Solve for x
x = 2,248,775,348,287.47/1,666,240.93 - Step 6: Final answer
x = 1,349,609.96
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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.