Finding the Fourth Proportional to 1,517,085.09, 2,094,076.35 and 1,207,555.45
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Solution
The fourth proportional to 1,517,085.09, 2,094,076.35 and 1,207,555.45 is: 1,666,823.65
Step by Step Solution
- Step 1: Write the proportion equation
1,517,085.09 : 2,094,076.35 = 1,207,555.45 : x - Step 2: Convert to fraction form
1,517,085.09/2,094,076.35 = 1,207,555.45/x - Step 3: Cross multiply
1,517,085.09x = 2,094,076.35 × 1,207,555.45 - Step 4: Simplify right side
1,517,085.09x = 2,528,713,303,923.42 - Step 5: Solve for x
x = 2,528,713,303,923.42/1,517,085.09 - Step 6: Final answer
x = 1,666,823.65
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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.