Finding the Fourth Proportional to 1,803,993.36, 2,487,793.50 and 1,078,725.84
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Solution
The fourth proportional to 1,803,993.36, 2,487,793.50 and 1,078,725.84 is: 1,487,614.75
Step by Step Solution
- Step 1: Write the proportion equation
1,803,993.36 : 2,487,793.50 = 1,078,725.84 : x - Step 2: Convert to fraction form
1,803,993.36/2,487,793.50 = 1,078,725.84/x - Step 3: Cross multiply
1,803,993.36x = 2,487,793.50 × 1,078,725.84 - Step 4: Simplify right side
1,803,993.36x = 2,683,647,133,034.04 - Step 5: Solve for x
x = 2,683,647,133,034.04/1,803,993.36 - Step 6: Final answer
x = 1,487,614.75
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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.