Finding the Fourth Proportional to 4,865,977.63, 6,714,929.46 and 2,690,465.05
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Solution
The fourth proportional to 4,865,977.63, 6,714,929.46 and 2,690,465.05 is: 3,712,775.60
Step by Step Solution
- Step 1: Write the proportion equation
4,865,977.63 : 6,714,929.46 = 2,690,465.05 : x - Step 2: Convert to fraction form
4,865,977.63/6,714,929.46 = 2,690,465.05/x - Step 3: Cross multiply
4,865,977.63x = 6,714,929.46 × 2,690,465.05 - Step 4: Simplify right side
4,865,977.63x = 18,066,283,025,345.37 - Step 5: Solve for x
x = 18,066,283,025,345.37/4,865,977.63 - Step 6: Final answer
x = 3,712,775.60
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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.