Finding the Fourth Proportional to 5,426,340.80, 8,127,701.40 and 3,292,703.60
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Solution
The fourth proportional to 5,426,340.80, 8,127,701.40 and 3,292,703.60 is: 4,931,889.21
Step by Step Solution
- Step 1: Write the proportion equation
5,426,340.80 : 8,127,701.40 = 3,292,703.60 : x - Step 2: Convert to fraction form
5,426,340.80/8,127,701.40 = 3,292,703.60/x - Step 3: Cross multiply
5,426,340.80x = 8,127,701.40 × 3,292,703.60 - Step 4: Simplify right side
5,426,340.80x = 26,762,111,659,505.04 - Step 5: Solve for x
x = 26,762,111,659,505.04/5,426,340.80 - Step 6: Final answer
x = 4,931,889.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.