Finding the Fourth Proportional to 2,977,146.88, 4,108,366.56 and 1,688,102.08
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Solution
The fourth proportional to 2,977,146.88, 4,108,366.56 and 1,688,102.08 is: 2,329,526.36
Step by Step Solution
- Step 1: Write the proportion equation
2,977,146.88 : 4,108,366.56 = 1,688,102.08 : x - Step 2: Convert to fraction form
2,977,146.88/4,108,366.56 = 1,688,102.08/x - Step 3: Cross multiply
2,977,146.88x = 4,108,366.56 × 1,688,102.08 - Step 4: Simplify right side
2,977,146.88x = 6,935,342,135,338.45 - Step 5: Solve for x
x = 6,935,342,135,338.45/2,977,146.88 - Step 6: Final answer
x = 2,329,526.36
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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.