Finding the Fourth Proportional to 2,842,137.18, 4,255,566.32 and 2,164,992.77
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Solution
The fourth proportional to 2,842,137.18, 4,255,566.32 and 2,164,992.77 is: 3,241,669.82
Step by Step Solution
- Step 1: Write the proportion equation
2,842,137.18 : 4,255,566.32 = 2,164,992.77 : x - Step 2: Convert to fraction form
2,842,137.18/4,255,566.32 = 2,164,992.77/x - Step 3: Cross multiply
2,842,137.18x = 4,255,566.32 × 2,164,992.77 - Step 4: Simplify right side
2,842,137.18x = 9,213,270,331,106.90 - Step 5: Solve for x
x = 9,213,270,331,106.90/2,842,137.18 - Step 6: Final answer
x = 3,241,669.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.