Finding the Fourth Proportional to 4,221,875.05, 6,333,206.87 and 1,189,235.95
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Solution
The fourth proportional to 4,221,875.05, 6,333,206.87 and 1,189,235.95 is: 1,783,964.99
Step by Step Solution
- Step 1: Write the proportion equation
4,221,875.05 : 6,333,206.87 = 1,189,235.95 : x - Step 2: Convert to fraction form
4,221,875.05/6,333,206.87 = 1,189,235.95/x - Step 3: Cross multiply
4,221,875.05x = 6,333,206.87 × 1,189,235.95 - Step 4: Simplify right side
4,221,875.05x = 7,531,677,275,731.05 - Step 5: Solve for x
x = 7,531,677,275,731.05/4,221,875.05 - Step 6: Final answer
x = 1,783,964.99
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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.