Finding the Fourth Proportional to 2,864,025.73, 3,952,220.20 and 1,574,920.45
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Solution
The fourth proportional to 2,864,025.73, 3,952,220.20 and 1,574,920.45 is: 2,173,315.82
Step by Step Solution
- Step 1: Write the proportion equation
2,864,025.73 : 3,952,220.20 = 1,574,920.45 : x - Step 2: Convert to fraction form
2,864,025.73/3,952,220.20 = 1,574,920.45/x - Step 3: Cross multiply
2,864,025.73x = 3,952,220.20 × 1,574,920.45 - Step 4: Simplify right side
2,864,025.73x = 6,224,432,415,883.09 - Step 5: Solve for x
x = 6,224,432,415,883.09/2,864,025.73 - Step 6: Final answer
x = 2,173,315.82
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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.