Finding the Fourth Proportional to 7,661,426.99, 10,572,841.35 and 4,223,791.04
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Solution
The fourth proportional to 7,661,426.99, 10,572,841.35 and 4,223,791.04 is: 5,828,871.38
Step by Step Solution
- Step 1: Write the proportion equation
7,661,426.99 : 10,572,841.35 = 4,223,791.04 : x - Step 2: Convert to fraction form
7,661,426.99/10,572,841.35 = 4,223,791.04/x - Step 3: Cross multiply
7,661,426.99x = 10,572,841.35 × 4,223,791.04 - Step 4: Simplify right side
7,661,426.99x = 44,657,472,508,607.30 - Step 5: Solve for x
x = 44,657,472,508,607.30/7,661,426.99 - Step 6: Final answer
x = 5,828,871.38
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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.