Finding the Fourth Proportional to 1,539,630.20, 2,124,603.81 and 851,260.71
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Solution
The fourth proportional to 1,539,630.20, 2,124,603.81 and 851,260.71 is: 1,174,692.31
Step by Step Solution
- Step 1: Write the proportion equation
1,539,630.20 : 2,124,603.81 = 851,260.71 : x - Step 2: Convert to fraction form
1,539,630.20/2,124,603.81 = 851,260.71/x - Step 3: Cross multiply
1,539,630.20x = 2,124,603.81 × 851,260.71 - Step 4: Simplify right side
1,539,630.20x = 1,808,591,749,365.42 - Step 5: Solve for x
x = 1,808,591,749,365.42/1,539,630.20 - Step 6: Final answer
x = 1,174,692.31
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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.