Finding the Fourth Proportional to 1,526,648.48, 2,106,692.64 and 847,541.28
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Solution
The fourth proportional to 1,526,648.48, 2,106,692.64 and 847,541.28 is: 1,169,561.30
Step by Step Solution
- Step 1: Write the proportion equation
1,526,648.48 : 2,106,692.64 = 847,541.28 : x - Step 2: Convert to fraction form
1,526,648.48/2,106,692.64 = 847,541.28/x - Step 3: Cross multiply
1,526,648.48x = 2,106,692.64 × 847,541.28 - Step 4: Simplify right side
1,526,648.48x = 1,785,508,976,672.18 - Step 5: Solve for x
x = 1,785,508,976,672.18/1,526,648.48 - Step 6: Final answer
x = 1,169,561.30
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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.