Finding the Fourth Proportional to 3,813,588.58, 5,720,430.99 and 1,117,967.92
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Solution
The fourth proportional to 3,813,588.58, 5,720,430.99 and 1,117,967.92 is: 1,676,965.99
Step by Step Solution
- Step 1: Write the proportion equation
3,813,588.58 : 5,720,430.99 = 1,117,967.92 : x - Step 2: Convert to fraction form
3,813,588.58/5,720,430.99 = 1,117,967.92/x - Step 3: Cross multiply
3,813,588.58x = 5,720,430.99 × 1,117,967.92 - Step 4: Simplify right side
3,813,588.58x = 6,395,258,335,393.84 - Step 5: Solve for x
x = 6,395,258,335,393.84/3,813,588.58 - Step 6: Final answer
x = 1,676,965.99
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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.