Finding the Fourth Proportional to 1,678,207.84, 2,315,846.25 and 952,959.76
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Solution
The fourth proportional to 1,678,207.84, 2,315,846.25 and 952,959.76 is: 1,315,038.72
Step by Step Solution
- Step 1: Write the proportion equation
1,678,207.84 : 2,315,846.25 = 952,959.76 : x - Step 2: Convert to fraction form
1,678,207.84/2,315,846.25 = 952,959.76/x - Step 3: Cross multiply
1,678,207.84x = 2,315,846.25 × 952,959.76 - Step 4: Simplify right side
1,678,207.84x = 2,206,908,280,807.28 - Step 5: Solve for x
x = 2,206,908,280,807.28/1,678,207.84 - Step 6: Final answer
x = 1,315,038.72
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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.