Finding the Fourth Proportional to 1,476,663.40, 2,214,692.70 and 411,437.80
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Solution
The fourth proportional to 1,476,663.40, 2,214,692.70 and 411,437.80 is: 617,072.44
Step by Step Solution
- Step 1: Write the proportion equation
1,476,663.40 : 2,214,692.70 = 411,437.80 : x - Step 2: Convert to fraction form
1,476,663.40/2,214,692.70 = 411,437.80/x - Step 3: Cross multiply
1,476,663.40x = 2,214,692.70 × 411,437.80 - Step 4: Simplify right side
1,476,663.40x = 911,208,292,164.06 - Step 5: Solve for x
x = 911,208,292,164.06/1,476,663.40 - Step 6: Final answer
x = 617,072.44
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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.