Finding the Fourth Proportional to 1,531,850.76, 2,114,206.47 and 1,168,588.71
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Solution
The fourth proportional to 1,531,850.76, 2,114,206.47 and 1,168,588.71 is: 1,612,844.98
Step by Step Solution
- Step 1: Write the proportion equation
1,531,850.76 : 2,114,206.47 = 1,168,588.71 : x - Step 2: Convert to fraction form
1,531,850.76/2,114,206.47 = 1,168,588.71/x - Step 3: Cross multiply
1,531,850.76x = 2,114,206.47 × 1,168,588.71 - Step 4: Simplify right side
1,531,850.76x = 2,470,637,811,450.95 - Step 5: Solve for x
x = 2,470,637,811,450.95/1,531,850.76 - Step 6: Final answer
x = 1,612,844.98
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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.