Finding the Fourth Proportional to 5,631,422.20, 8,446,692.64 and 1,587,746.68
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Solution
The fourth proportional to 5,631,422.20, 8,446,692.64 and 1,587,746.68 is: 2,381,495.77
Step by Step Solution
- Step 1: Write the proportion equation
5,631,422.20 : 8,446,692.64 = 1,587,746.68 : x - Step 2: Convert to fraction form
5,631,422.20/8,446,692.64 = 1,587,746.68/x - Step 3: Cross multiply
5,631,422.20x = 8,446,692.64 × 1,587,746.68 - Step 4: Simplify right side
5,631,422.20x = 13,411,208,153,906.97 - Step 5: Solve for x
x = 13,411,208,153,906.97/5,631,422.20 - Step 6: Final answer
x = 2,381,495.77
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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.