Finding the Fourth Proportional to 1,937,715.60, 2,906,227.80 and 1,226,470.80
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Solution
The fourth proportional to 1,937,715.60, 2,906,227.80 and 1,226,470.80 is: 1,839,487.45
Step by Step Solution
- Step 1: Write the proportion equation
1,937,715.60 : 2,906,227.80 = 1,226,470.80 : x - Step 2: Convert to fraction form
1,937,715.60/2,906,227.80 = 1,226,470.80/x - Step 3: Cross multiply
1,937,715.60x = 2,906,227.80 × 1,226,470.80 - Step 4: Simplify right side
1,937,715.60x = 3,564,403,534,848.24 - Step 5: Solve for x
x = 3,564,403,534,848.24/1,937,715.60 - Step 6: Final answer
x = 1,839,487.45
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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.