Finding the Fourth Proportional to 6,292,775.36, 8,684,289.24 and 3,539,591.30
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Solution
The fourth proportional to 6,292,775.36, 8,684,289.24 and 3,539,591.30 is: 4,884,781.81
Step by Step Solution
- Step 1: Write the proportion equation
6,292,775.36 : 8,684,289.24 = 3,539,591.30 : x - Step 2: Convert to fraction form
6,292,775.36/8,684,289.24 = 3,539,591.30/x - Step 3: Cross multiply
6,292,775.36x = 8,684,289.24 × 3,539,591.30 - Step 4: Simplify right side
6,292,775.36x = 30,738,834,640,587.61 - Step 5: Solve for x
x = 30,738,834,640,587.61/6,292,775.36 - Step 6: Final answer
x = 4,884,781.81
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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.