Finding the Fourth Proportional to 3,554,426.68, 4,905,094.14 and 1,922,830.20
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Solution
The fourth proportional to 3,554,426.68, 4,905,094.14 and 1,922,830.20 is: 2,653,497.74
Step by Step Solution
- Step 1: Write the proportion equation
3,554,426.68 : 4,905,094.14 = 1,922,830.20 : x - Step 2: Convert to fraction form
3,554,426.68/4,905,094.14 = 1,922,830.20/x - Step 3: Cross multiply
3,554,426.68x = 4,905,094.14 × 1,922,830.20 - Step 4: Simplify right side
3,554,426.68x = 9,431,663,146,235.03 - Step 5: Solve for x
x = 9,431,663,146,235.03/3,554,426.68 - Step 6: Final answer
x = 2,653,497.74
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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.