Finding the Fourth Proportional to 1,889,724.24, 2,607,168.52 and 1,316,555.28
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Solution
The fourth proportional to 1,889,724.24, 2,607,168.52 and 1,316,555.28 is: 1,816,392.79
Step by Step Solution
- Step 1: Write the proportion equation
1,889,724.24 : 2,607,168.52 = 1,316,555.28 : x - Step 2: Convert to fraction form
1,889,724.24/2,607,168.52 = 1,316,555.28/x - Step 3: Cross multiply
1,889,724.24x = 2,607,168.52 × 1,316,555.28 - Step 4: Simplify right side
1,889,724.24x = 3,432,481,480,855.79 - Step 5: Solve for x
x = 3,432,481,480,855.79/1,889,724.24 - Step 6: Final answer
x = 1,816,392.79
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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.