Finding the Fourth Proportional to 2,677,210.79, 3,694,692.62 and 1,531,485.23
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Solution
The fourth proportional to 2,677,210.79, 3,694,692.62 and 1,531,485.23 is: 2,113,530.69
Step by Step Solution
- Step 1: Write the proportion equation
2,677,210.79 : 3,694,692.62 = 1,531,485.23 : x - Step 2: Convert to fraction form
2,677,210.79/3,694,692.62 = 1,531,485.23/x - Step 3: Cross multiply
2,677,210.79x = 3,694,692.62 × 1,531,485.23 - Step 4: Simplify right side
2,677,210.79x = 5,658,367,178,499.31 - Step 5: Solve for x
x = 5,658,367,178,499.31/2,677,210.79 - Step 6: Final answer
x = 2,113,530.69
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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.