Finding the Fourth Proportional to 2,169,123.58, 2,993,569.68 and 1,202,557.06
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Solution
The fourth proportional to 2,169,123.58, 2,993,569.68 and 1,202,557.06 is: 1,659,628.06
Step by Step Solution
- Step 1: Write the proportion equation
2,169,123.58 : 2,993,569.68 = 1,202,557.06 : x - Step 2: Convert to fraction form
2,169,123.58/2,993,569.68 = 1,202,557.06/x - Step 3: Cross multiply
2,169,123.58x = 2,993,569.68 × 1,202,557.06 - Step 4: Simplify right side
2,169,123.58x = 3,599,938,353,285.94 - Step 5: Solve for x
x = 3,599,938,353,285.94/2,169,123.58 - Step 6: Final answer
x = 1,659,628.06
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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.