Finding the Fourth Proportional to 4,147,590.29, 6,221,385.43 and 1,307,989.49
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Solution
The fourth proportional to 4,147,590.29, 6,221,385.43 and 1,307,989.49 is: 1,961,984.23
Step by Step Solution
- Step 1: Write the proportion equation
4,147,590.29 : 6,221,385.43 = 1,307,989.49 : x - Step 2: Convert to fraction form
4,147,590.29/6,221,385.43 = 1,307,989.49/x - Step 3: Cross multiply
4,147,590.29x = 6,221,385.43 × 1,307,989.49 - Step 4: Simplify right side
4,147,590.29x = 8,137,506,721,302.23 - Step 5: Solve for x
x = 8,137,506,721,302.23/4,147,590.29 - Step 6: Final answer
x = 1,961,984.23
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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.