Finding the Fourth Proportional to 1,963,964.09, 2,709,953.69 and 1,104,473.09
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Solution
The fourth proportional to 1,963,964.09, 2,709,953.69 and 1,104,473.09 is: 1,523,994.73
Step by Step Solution
- Step 1: Write the proportion equation
1,963,964.09 : 2,709,953.69 = 1,104,473.09 : x - Step 2: Convert to fraction form
1,963,964.09/2,709,953.69 = 1,104,473.09/x - Step 3: Cross multiply
1,963,964.09x = 2,709,953.69 × 1,104,473.09 - Step 4: Simplify right side
1,963,964.09x = 2,993,070,927,003.72 - Step 5: Solve for x
x = 2,993,070,927,003.72/1,963,964.09 - Step 6: Final answer
x = 1,523,994.73
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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.