Finding the Fourth Proportional to 2,164,387.02, 2,986,942.14 and 1,197,501.63
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Solution
The fourth proportional to 2,164,387.02, 2,986,942.14 and 1,197,501.63 is: 1,652,600.97
Step by Step Solution
- Step 1: Write the proportion equation
2,164,387.02 : 2,986,942.14 = 1,197,501.63 : x - Step 2: Convert to fraction form
2,164,387.02/2,986,942.14 = 1,197,501.63/x - Step 3: Cross multiply
2,164,387.02x = 2,986,942.14 × 1,197,501.63 - Step 4: Simplify right side
2,164,387.02x = 3,576,868,081,365.69 - Step 5: Solve for x
x = 3,576,868,081,365.69/2,164,387.02 - Step 6: Final answer
x = 1,652,600.97
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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.