Finding the Fourth Proportional to 1,637,724.43, 2,260,036.74 and 912,602.71
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Solution
The fourth proportional to 1,637,724.43, 2,260,036.74 and 912,602.71 is: 1,259,378.94
Step by Step Solution
- Step 1: Write the proportion equation
1,637,724.43 : 2,260,036.74 = 912,602.71 : x - Step 2: Convert to fraction form
1,637,724.43/2,260,036.74 = 912,602.71/x - Step 3: Cross multiply
1,637,724.43x = 2,260,036.74 × 912,602.71 - Step 4: Simplify right side
1,637,724.43x = 2,062,515,653,623.57 - Step 5: Solve for x
x = 2,062,515,653,623.57/1,637,724.43 - Step 6: Final answer
x = 1,259,378.94
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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.