Finding the Fourth Proportional to 1,536,147.90, 2,119,378.22 and 992,603.88
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Solution
The fourth proportional to 1,536,147.90, 2,119,378.22 and 992,603.88 is: 1,369,466.47
Step by Step Solution
- Step 1: Write the proportion equation
1,536,147.90 : 2,119,378.22 = 992,603.88 : x - Step 2: Convert to fraction form
1,536,147.90/2,119,378.22 = 992,603.88/x - Step 3: Cross multiply
1,536,147.90x = 2,119,378.22 × 992,603.88 - Step 4: Simplify right side
1,536,147.90x = 2,103,703,044,359.49 - Step 5: Solve for x
x = 2,103,703,044,359.49/1,536,147.90 - Step 6: Final answer
x = 1,369,466.47
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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.