Finding the Fourth Proportional to 2,112,502.70, 2,915,376.66 and 1,182,202.58
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Solution
The fourth proportional to 2,112,502.70, 2,915,376.66 and 1,182,202.58 is: 1,631,508.36
Step by Step Solution
- Step 1: Write the proportion equation
2,112,502.70 : 2,915,376.66 = 1,182,202.58 : x - Step 2: Convert to fraction form
2,112,502.70/2,915,376.66 = 1,182,202.58/x - Step 3: Cross multiply
2,112,502.70x = 2,915,376.66 × 1,182,202.58 - Step 4: Simplify right side
2,112,502.70x = 3,446,565,809,123.78 - Step 5: Solve for x
x = 3,446,565,809,123.78/2,112,502.70 - Step 6: Final answer
x = 1,631,508.36
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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.