Finding the Fourth Proportional to 3,145,692.77, 4,341,014.64 and 1,769,036.09
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Solution
The fourth proportional to 3,145,692.77, 4,341,014.64 and 1,769,036.09 is: 2,441,246.53
Step by Step Solution
- Step 1: Write the proportion equation
3,145,692.77 : 4,341,014.64 = 1,769,036.09 : x - Step 2: Convert to fraction form
3,145,692.77/4,341,014.64 = 1,769,036.09/x - Step 3: Cross multiply
3,145,692.77x = 4,341,014.64 × 1,769,036.09 - Step 4: Simplify right side
3,145,692.77x = 7,679,411,565,378.36 - Step 5: Solve for x
x = 7,679,411,565,378.36/3,145,692.77 - Step 6: Final answer
x = 2,441,246.53
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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.