Finding the Fourth Proportional to 2,239,731.12, 3,090,274.68 and 1,368,341.52
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Solution
The fourth proportional to 2,239,731.12, 3,090,274.68 and 1,368,341.52 is: 1,887,972.67
Step by Step Solution
- Step 1: Write the proportion equation
2,239,731.12 : 3,090,274.68 = 1,368,341.52 : x - Step 2: Convert to fraction form
2,239,731.12/3,090,274.68 = 1,368,341.52/x - Step 3: Cross multiply
2,239,731.12x = 3,090,274.68 × 1,368,341.52 - Step 4: Simplify right side
2,239,731.12x = 4,228,551,152,848.71 - Step 5: Solve for x
x = 4,228,551,152,848.71/2,239,731.12 - Step 6: Final answer
x = 1,887,972.67
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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.