Finding the Fourth Proportional to 4,531,918.68, 6,255,368.42 and 2,962,278.60
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Solution
The fourth proportional to 4,531,918.68, 6,255,368.42 and 2,962,278.60 is: 4,088,807.70
Step by Step Solution
- Step 1: Write the proportion equation
4,531,918.68 : 6,255,368.42 = 2,962,278.60 : x - Step 2: Convert to fraction form
4,531,918.68/6,255,368.42 = 2,962,278.60/x - Step 3: Cross multiply
4,531,918.68x = 6,255,368.42 × 2,962,278.60 - Step 4: Simplify right side
4,531,918.68x = 18,530,144,005,681.81 - Step 5: Solve for x
x = 18,530,144,005,681.81/4,531,918.68 - Step 6: Final answer
x = 4,088,807.70
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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.