Finding the Fourth Proportional to 4,417,058.90, 6,625,735.98 and 1,221,917.51
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Solution
The fourth proportional to 4,417,058.90, 6,625,735.98 and 1,221,917.51 is: 1,832,917.11
Step by Step Solution
- Step 1: Write the proportion equation
4,417,058.90 : 6,625,735.98 = 1,221,917.51 : x - Step 2: Convert to fraction form
4,417,058.90/6,625,735.98 = 1,221,917.51/x - Step 3: Cross multiply
4,417,058.90x = 6,625,735.98 × 1,221,917.51 - Step 4: Simplify right side
4,417,058.90x = 8,096,102,834,476.57 - Step 5: Solve for x
x = 8,096,102,834,476.57/4,417,058.90 - Step 6: Final answer
x = 1,832,917.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.