Finding the Fourth Proportional to 1,660,145.68, 2,291,164.01 and 971,776.09
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Solution
The fourth proportional to 1,660,145.68, 2,291,164.01 and 971,776.09 is: 1,341,146.40
Step by Step Solution
- Step 1: Write the proportion equation
1,660,145.68 : 2,291,164.01 = 971,776.09 : x - Step 2: Convert to fraction form
1,660,145.68/2,291,164.01 = 971,776.09/x - Step 3: Cross multiply
1,660,145.68x = 2,291,164.01 × 971,776.09 - Step 4: Simplify right side
1,660,145.68x = 2,226,498,403,186.52 - Step 5: Solve for x
x = 2,226,498,403,186.52/1,660,145.68 - Step 6: Final answer
x = 1,341,146.40
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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.