Finding the Fourth Proportional to 2,655,197.34, 3,664,752.51 and 1,688,138.73
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Solution
The fourth proportional to 2,655,197.34, 3,664,752.51 and 1,688,138.73 is: 2,330,000.32
Step by Step Solution
- Step 1: Write the proportion equation
2,655,197.34 : 3,664,752.51 = 1,688,138.73 : x - Step 2: Convert to fraction form
2,655,197.34/3,664,752.51 = 1,688,138.73/x - Step 3: Cross multiply
2,655,197.34x = 3,664,752.51 × 1,688,138.73 - Step 4: Simplify right side
2,655,197.34x = 6,186,610,647,995.71 - Step 5: Solve for x
x = 6,186,610,647,995.71/2,655,197.34 - Step 6: Final answer
x = 2,330,000.32
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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.