Finding the Fourth Proportional to 1,816,864.63, 2,507,329.98 and 1,042,637.11
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Solution
The fourth proportional to 1,816,864.63, 2,507,329.98 and 1,042,637.11 is: 1,438,871.80
Step by Step Solution
- Step 1: Write the proportion equation
1,816,864.63 : 2,507,329.98 = 1,042,637.11 : x - Step 2: Convert to fraction form
1,816,864.63/2,507,329.98 = 1,042,637.11/x - Step 3: Cross multiply
1,816,864.63x = 2,507,329.98 × 1,042,637.11 - Step 4: Simplify right side
1,816,864.63x = 2,614,235,271,626.91 - Step 5: Solve for x
x = 2,614,235,271,626.91/1,816,864.63 - Step 6: Final answer
x = 1,438,871.80
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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.