Finding the Fourth Proportional to 3,465,056.21, 4,781,246.35 and 1,994,680.53
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Solution
The fourth proportional to 3,465,056.21, 4,781,246.35 and 1,994,680.53 is: 2,752,353.33
Step by Step Solution
- Step 1: Write the proportion equation
3,465,056.21 : 4,781,246.35 = 1,994,680.53 : x - Step 2: Convert to fraction form
3,465,056.21/4,781,246.35 = 1,994,680.53/x - Step 3: Cross multiply
3,465,056.21x = 4,781,246.35 × 1,994,680.53 - Step 4: Simplify right side
3,465,056.21x = 9,537,059,003,478.57 - Step 5: Solve for x
x = 9,537,059,003,478.57/3,465,056.21 - Step 6: Final answer
x = 2,752,353.33
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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.