Finding the Fourth Proportional to 2,208,894.21, 3,312,972.23 and 611,618.76
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Solution
The fourth proportional to 2,208,894.21, 3,312,972.23 and 611,618.76 is: 917,325.94
Step by Step Solution
- Step 1: Write the proportion equation
2,208,894.21 : 3,312,972.23 = 611,618.76 : x - Step 2: Convert to fraction form
2,208,894.21/3,312,972.23 = 611,618.76/x - Step 3: Cross multiply
2,208,894.21x = 3,312,972.23 × 611,618.76 - Step 4: Simplify right side
2,208,894.21x = 2,026,275,964,168.94 - Step 5: Solve for x
x = 2,026,275,964,168.94/2,208,894.21 - Step 6: Final answer
x = 917,325.94
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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.