Finding the Fourth Proportional to 2,290,353.53, 3,159,979.08 and 1,323,130.91
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Solution
The fourth proportional to 2,290,353.53, 3,159,979.08 and 1,323,130.91 is: 1,825,511.19
Step by Step Solution
- Step 1: Write the proportion equation
2,290,353.53 : 3,159,979.08 = 1,323,130.91 : x - Step 2: Convert to fraction form
2,290,353.53/3,159,979.08 = 1,323,130.91/x - Step 3: Cross multiply
2,290,353.53x = 3,159,979.08 × 1,323,130.91 - Step 4: Simplify right side
2,290,353.53x = 4,181,065,979,901.47 - Step 5: Solve for x
x = 4,181,065,979,901.47/2,290,353.53 - Step 6: Final answer
x = 1,825,511.19
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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.