Finding the Fourth Proportional to 4,811,708.91, 6,640,158.15 and 2,636,334.48
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Solution
The fourth proportional to 4,811,708.91, 6,640,158.15 and 2,636,334.48 is: 3,638,141.50
Step by Step Solution
- Step 1: Write the proportion equation
4,811,708.91 : 6,640,158.15 = 2,636,334.48 : x - Step 2: Convert to fraction form
4,811,708.91/6,640,158.15 = 2,636,334.48/x - Step 3: Cross multiply
4,811,708.91x = 6,640,158.15 × 2,636,334.48 - Step 4: Simplify right side
4,811,708.91x = 17,505,677,883,498.01 - Step 5: Solve for x
x = 17,505,677,883,498.01/4,811,708.91 - Step 6: Final answer
x = 3,638,141.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.