Finding the Fourth Proportional to 5,174,097.62, 7,768,013.60 and 4,420,780.00
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Solution
The fourth proportional to 5,174,097.62, 7,768,013.60 and 4,420,780.00 is: 6,637,037.36
Step by Step Solution
- Step 1: Write the proportion equation
5,174,097.62 : 7,768,013.60 = 4,420,780.00 : x - Step 2: Convert to fraction form
5,174,097.62/7,768,013.60 = 4,420,780.00/x - Step 3: Cross multiply
5,174,097.62x = 7,768,013.60 × 4,420,780.00 - Step 4: Simplify right side
5,174,097.62x = 34,340,679,154,239.91 - Step 5: Solve for x
x = 34,340,679,154,239.91/5,174,097.62 - Step 6: Final answer
x = 6,637,037.36
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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.