Finding the Fourth Proportional to 1,566,538.68, 2,159,191.98 and 1,198,889.40
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Solution
The fourth proportional to 1,566,538.68, 2,159,191.98 and 1,198,889.40 is: 1,652,453.53
Step by Step Solution
- Step 1: Write the proportion equation
1,566,538.68 : 2,159,191.98 = 1,198,889.40 : x - Step 2: Convert to fraction form
1,566,538.68/2,159,191.98 = 1,198,889.40/x - Step 3: Cross multiply
1,566,538.68x = 2,159,191.98 × 1,198,889.40 - Step 4: Simplify right side
1,566,538.68x = 2,588,632,377,387.01 - Step 5: Solve for x
x = 2,588,632,377,387.01/1,566,538.68 - Step 6: Final answer
x = 1,652,453.53
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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.