Finding the Fourth Proportional to 1,768,119.40, 2,656,115.70 and 1,696,385.80
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Solution
The fourth proportional to 1,768,119.40, 2,656,115.70 and 1,696,385.80 is: 2,548,355.59
Step by Step Solution
- Step 1: Write the proportion equation
1,768,119.40 : 2,656,115.70 = 1,696,385.80 : x - Step 2: Convert to fraction form
1,768,119.40/2,656,115.70 = 1,696,385.80/x - Step 3: Cross multiply
1,768,119.40x = 2,656,115.70 × 1,696,385.80 - Step 4: Simplify right side
1,768,119.40x = 4,505,796,956,637.06 - Step 5: Solve for x
x = 4,505,796,956,637.06/1,768,119.40 - Step 6: Final answer
x = 2,548,355.59
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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.