Finding the Fourth Proportional to 2,994,988.85, 4,490,838.08 and 1,475,328.05
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Solution
The fourth proportional to 2,994,988.85, 4,490,838.08 and 1,475,328.05 is: 2,212,181.65
Step by Step Solution
- Step 1: Write the proportion equation
2,994,988.85 : 4,490,838.08 = 1,475,328.05 : x - Step 2: Convert to fraction form
2,994,988.85/4,490,838.08 = 1,475,328.05/x - Step 3: Cross multiply
2,994,988.85x = 4,490,838.08 × 1,475,328.05 - Step 4: Simplify right side
2,994,988.85x = 6,625,459,380,055.50 - Step 5: Solve for x
x = 6,625,459,380,055.50/2,994,988.85 - Step 6: Final answer
x = 2,212,181.65
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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.