Finding the Fourth Proportional to 1,403,152.09, 1,936,302.70 and 887,183.71
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Solution
The fourth proportional to 1,403,152.09, 1,936,302.70 and 887,183.71 is: 1,224,283.69
Step by Step Solution
- Step 1: Write the proportion equation
1,403,152.09 : 1,936,302.70 = 887,183.71 : x - Step 2: Convert to fraction form
1,403,152.09/1,936,302.70 = 887,183.71/x - Step 3: Cross multiply
1,403,152.09x = 1,936,302.70 × 887,183.71 - Step 4: Simplify right side
1,403,152.09x = 1,717,856,213,069.02 - Step 5: Solve for x
x = 1,717,856,213,069.02/1,403,152.09 - Step 6: Final answer
x = 1,224,283.69
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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.