Finding the Fourth Proportional to 5,798,511.80, 8,697,767.70 and 3,531,030.20
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Solution
The fourth proportional to 5,798,511.80, 8,697,767.70 and 3,531,030.20 is: 5,296,545.30
Step by Step Solution
- Step 1: Write the proportion equation
5,798,511.80 : 8,697,767.70 = 3,531,030.20 : x - Step 2: Convert to fraction form
5,798,511.80/8,697,767.70 = 3,531,030.20/x - Step 3: Cross multiply
5,798,511.80x = 8,697,767.70 × 3,531,030.20 - Step 4: Simplify right side
5,798,511.80x = 30,712,080,421,284.54 - Step 5: Solve for x
x = 30,712,080,421,284.54/5,798,511.80 - Step 6: Final answer
x = 5,296,545.30
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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.