Finding the Fourth Proportional to 3,358,920.16, 5,037,860.88 and 1,228,506.08
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Solution
The fourth proportional to 3,358,920.16, 5,037,860.88 and 1,228,506.08 is: 1,842,569.17
Step by Step Solution
- Step 1: Write the proportion equation
3,358,920.16 : 5,037,860.88 = 1,228,506.08 : x - Step 2: Convert to fraction form
3,358,920.16/5,037,860.88 = 1,228,506.08/x - Step 3: Cross multiply
3,358,920.16x = 5,037,860.88 × 1,228,506.08 - Step 4: Simplify right side
3,358,920.16x = 6,189,042,721,274.15 - Step 5: Solve for x
x = 6,189,042,721,274.15/3,358,920.16 - Step 6: Final answer
x = 1,842,569.17
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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.