Finding the Fourth Proportional to 3,160,939.09, 4,362,109.85 and 1,710,634.74
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Solution
The fourth proportional to 3,160,939.09, 4,362,109.85 and 1,710,634.74 is: 2,360,683.47
Step by Step Solution
- Step 1: Write the proportion equation
3,160,939.09 : 4,362,109.85 = 1,710,634.74 : x - Step 2: Convert to fraction form
3,160,939.09/4,362,109.85 = 1,710,634.74/x - Step 3: Cross multiply
3,160,939.09x = 4,362,109.85 × 1,710,634.74 - Step 4: Simplify right side
3,160,939.09x = 7,461,976,653,382.78 - Step 5: Solve for x
x = 7,461,976,653,382.78/3,160,939.09 - Step 6: Final answer
x = 2,360,683.47
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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.