Finding the Fourth Proportional to 1,543,257.60, 2,314,108.80 and 912,364.80
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Solution
The fourth proportional to 1,543,257.60, 2,314,108.80 and 912,364.80 is: 1,368,087.49
Step by Step Solution
- Step 1: Write the proportion equation
1,543,257.60 : 2,314,108.80 = 912,364.80 : x - Step 2: Convert to fraction form
1,543,257.60/2,314,108.80 = 912,364.80/x - Step 3: Cross multiply
1,543,257.60x = 2,314,108.80 × 912,364.80 - Step 4: Simplify right side
1,543,257.60x = 2,111,311,412,490.24 - Step 5: Solve for x
x = 2,111,311,412,490.24/1,543,257.60 - Step 6: Final answer
x = 1,368,087.49
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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.