Finding the Fourth Proportional to 3,309,073.12, 4,963,895.61 and 912,917.75
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Solution
The fourth proportional to 3,309,073.12, 4,963,895.61 and 912,917.75 is: 1,369,455.51
Step by Step Solution
- Step 1: Write the proportion equation
3,309,073.12 : 4,963,895.61 = 912,917.75 : x - Step 2: Convert to fraction form
3,309,073.12/4,963,895.61 = 912,917.75/x - Step 3: Cross multiply
3,309,073.12x = 4,963,895.61 × 912,917.75 - Step 4: Simplify right side
3,309,073.12x = 4,531,628,411,516.08 - Step 5: Solve for x
x = 4,531,628,411,516.08/3,309,073.12 - Step 6: Final answer
x = 1,369,455.51
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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.