Finding the Fourth Proportional to 4,389,461.87, 6,057,692.71 and 2,455,607.12
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Solution
The fourth proportional to 4,389,461.87, 6,057,692.71 and 2,455,607.12 is: 3,388,869.47
Step by Step Solution
- Step 1: Write the proportion equation
4,389,461.87 : 6,057,692.71 = 2,455,607.12 : x - Step 2: Convert to fraction form
4,389,461.87/6,057,692.71 = 2,455,607.12/x - Step 3: Cross multiply
4,389,461.87x = 6,057,692.71 × 2,455,607.12 - Step 4: Simplify right side
4,389,461.87x = 14,875,313,313,020.61 - Step 5: Solve for x
x = 14,875,313,313,020.61/4,389,461.87 - Step 6: Final answer
x = 3,388,869.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.