Finding the Fourth Proportional to 2,129,295.45, 2,938,472.19 and 1,162,466.49
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Solution
The fourth proportional to 2,129,295.45, 2,938,472.19 and 1,162,466.49 is: 1,604,228.03
Step by Step Solution
- Step 1: Write the proportion equation
2,129,295.45 : 2,938,472.19 = 1,162,466.49 : x - Step 2: Convert to fraction form
2,129,295.45/2,938,472.19 = 1,162,466.49/x - Step 3: Cross multiply
2,129,295.45x = 2,938,472.19 × 1,162,466.49 - Step 4: Simplify right side
2,129,295.45x = 3,415,875,452,671.91 - Step 5: Solve for x
x = 3,415,875,452,671.91/2,129,295.45 - Step 6: Final answer
x = 1,604,228.03
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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.