Finding the Fourth Proportional to 1,693,368.72, 2,336,848.79 and 929,471.49
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Solution
The fourth proportional to 1,693,368.72, 2,336,848.79 and 929,471.49 is: 1,282,670.63
Step by Step Solution
- Step 1: Write the proportion equation
1,693,368.72 : 2,336,848.79 = 929,471.49 : x - Step 2: Convert to fraction form
1,693,368.72/2,336,848.79 = 929,471.49/x - Step 3: Cross multiply
1,693,368.72x = 2,336,848.79 × 929,471.49 - Step 4: Simplify right side
1,693,368.72x = 2,172,034,322,098.64 - Step 5: Solve for x
x = 2,172,034,322,098.64/1,693,368.72 - Step 6: Final answer
x = 1,282,670.63
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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.