Finding the Fourth Proportional to 4,415,617.68, 6,623,551.07 and 1,220,743.59
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Solution
The fourth proportional to 4,415,617.68, 6,623,551.07 and 1,220,743.59 is: 1,831,149.82
Step by Step Solution
- Step 1: Write the proportion equation
4,415,617.68 : 6,623,551.07 = 1,220,743.59 : x - Step 2: Convert to fraction form
4,415,617.68/6,623,551.07 = 1,220,743.59/x - Step 3: Cross multiply
4,415,617.68x = 6,623,551.07 × 1,220,743.59 - Step 4: Simplify right side
4,415,617.68x = 8,085,657,505,636.43 - Step 5: Solve for x
x = 8,085,657,505,636.43/4,415,617.68 - Step 6: Final answer
x = 1,831,149.82
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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.