Finding the Fourth Proportional to 1,407,692.24, 1,943,369.10 and 1,101,117.26
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Solution
The fourth proportional to 1,407,692.24, 1,943,369.10 and 1,101,117.26 is: 1,520,131.46
Step by Step Solution
- Step 1: Write the proportion equation
1,407,692.24 : 1,943,369.10 = 1,101,117.26 : x - Step 2: Convert to fraction form
1,407,692.24/1,943,369.10 = 1,101,117.26/x - Step 3: Cross multiply
1,407,692.24x = 1,943,369.10 × 1,101,117.26 - Step 4: Simplify right side
1,407,692.24x = 2,139,877,258,560.67 - Step 5: Solve for x
x = 2,139,877,258,560.67/1,407,692.24 - Step 6: Final answer
x = 1,520,131.46
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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.