Finding the Fourth Proportional to 1,543,345.60, 2,314,240.80 and 912,452.80
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Solution
The fourth proportional to 1,543,345.60, 2,314,240.80 and 912,452.80 is: 1,368,219.47
Step by Step Solution
- Step 1: Write the proportion equation
1,543,345.60 : 2,314,240.80 = 912,452.80 : x - Step 2: Convert to fraction form
1,543,345.60/2,314,240.80 = 912,452.80/x - Step 3: Cross multiply
1,543,345.60x = 2,314,240.80 × 912,452.80 - Step 4: Simplify right side
1,543,345.60x = 2,111,635,497,834.24 - Step 5: Solve for x
x = 2,111,635,497,834.24/1,543,345.60 - Step 6: Final answer
x = 1,368,219.47
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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.