Finding the Fourth Proportional to 6,408,550.71, 8,843,802.75 and 3,507,958.13
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Solution
The fourth proportional to 6,408,550.71, 8,843,802.75 and 3,507,958.13 is: 4,840,983.73
Step by Step Solution
- Step 1: Write the proportion equation
6,408,550.71 : 8,843,802.75 = 3,507,958.13 : x - Step 2: Convert to fraction form
6,408,550.71/8,843,802.75 = 3,507,958.13/x - Step 3: Cross multiply
6,408,550.71x = 8,843,802.75 × 3,507,958.13 - Step 4: Simplify right side
6,408,550.71x = 31,023,689,712,759.84 - Step 5: Solve for x
x = 31,023,689,712,759.84/6,408,550.71 - Step 6: Final answer
x = 4,840,983.73
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1.5x scale
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.