Finding the Fourth Proportional to 2,805,267.77, 4,207,901.66 and 2,166,503.20
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Solution
The fourth proportional to 2,805,267.77, 4,207,901.66 and 2,166,503.20 is: 3,249,754.80
Step by Step Solution
- Step 1: Write the proportion equation
2,805,267.77 : 4,207,901.66 = 2,166,503.20 : x - Step 2: Convert to fraction form
2,805,267.77/4,207,901.66 = 2,166,503.20/x - Step 3: Cross multiply
2,805,267.77x = 4,207,901.66 × 2,166,503.20 - Step 4: Simplify right side
2,805,267.77x = 9,116,432,390,323.04 - Step 5: Solve for x
x = 9,116,432,390,323.04/2,805,267.77 - Step 6: Final answer
x = 3,249,754.80
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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.