Finding the Fourth Proportional to 4,943,390.70, 7,406,791.65 and 2,413,598.70
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Solution
The fourth proportional to 4,943,390.70, 7,406,791.65 and 2,413,598.70 is: 3,616,348.33
Step by Step Solution
- Step 1: Write the proportion equation
4,943,390.70 : 7,406,791.65 = 2,413,598.70 : x - Step 2: Convert to fraction form
4,943,390.70/7,406,791.65 = 2,413,598.70/x - Step 3: Cross multiply
4,943,390.70x = 7,406,791.65 × 2,413,598.70 - Step 4: Simplify right side
4,943,390.70x = 17,877,022,697,610.86 - Step 5: Solve for x
x = 17,877,022,697,610.86/4,943,390.70 - Step 6: Final answer
x = 3,616,348.33
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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.