Finding the Fourth Proportional to 1,917,137.05, 2,873,518.90 and 1,197,809.53
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Solution
The fourth proportional to 1,917,137.05, 2,873,518.90 and 1,197,809.53 is: 1,795,348.08
Step by Step Solution
- Step 1: Write the proportion equation
1,917,137.05 : 2,873,518.90 = 1,197,809.53 : x - Step 2: Convert to fraction form
1,917,137.05/2,873,518.90 = 1,197,809.53/x - Step 3: Cross multiply
1,917,137.05x = 2,873,518.90 × 1,197,809.53 - Step 4: Simplify right side
1,917,137.05x = 3,441,928,323,055.12 - Step 5: Solve for x
x = 3,441,928,323,055.12/1,917,137.05 - Step 6: Final answer
x = 1,795,348.08
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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.