Finding the Fourth Proportional to 2,842,531.68, 3,922,745.04 and 1,553,426.40
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Solution
The fourth proportional to 2,842,531.68, 3,922,745.04 and 1,553,426.40 is: 2,143,756.48
Step by Step Solution
- Step 1: Write the proportion equation
2,842,531.68 : 3,922,745.04 = 1,553,426.40 : x - Step 2: Convert to fraction form
2,842,531.68/3,922,745.04 = 1,553,426.40/x - Step 3: Cross multiply
2,842,531.68x = 3,922,745.04 × 1,553,426.40 - Step 4: Simplify right side
2,842,531.68x = 6,093,695,705,605.06 - Step 5: Solve for x
x = 6,093,695,705,605.06/2,842,531.68 - Step 6: Final answer
x = 2,143,756.48
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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.