Finding the Fourth Proportional to 1,602,431.51, 2,211,288.86 and 877,261.19
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Solution
The fourth proportional to 1,602,431.51, 2,211,288.86 and 877,261.19 is: 1,210,583.97
Step by Step Solution
- Step 1: Write the proportion equation
1,602,431.51 : 2,211,288.86 = 877,261.19 : x - Step 2: Convert to fraction form
1,602,431.51/2,211,288.86 = 877,261.19/x - Step 3: Cross multiply
1,602,431.51x = 2,211,288.86 × 877,261.19 - Step 4: Simplify right side
1,602,431.51x = 1,939,877,887,894.05 - Step 5: Solve for x
x = 1,939,877,887,894.05/1,602,431.51 - Step 6: Final answer
x = 1,210,583.97
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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.