Finding the Fourth Proportional to 4,643,131.84, 6,407,839.36 and 2,578,254.08
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Solution
The fourth proportional to 4,643,131.84, 6,407,839.36 and 2,578,254.08 is: 3,558,166.89
Step by Step Solution
- Step 1: Write the proportion equation
4,643,131.84 : 6,407,839.36 = 2,578,254.08 : x - Step 2: Convert to fraction form
4,643,131.84/6,407,839.36 = 2,578,254.08/x - Step 3: Cross multiply
4,643,131.84x = 6,407,839.36 × 2,578,254.08 - Step 4: Simplify right side
4,643,131.84x = 16,521,037,973,904.59 - Step 5: Solve for x
x = 16,521,037,973,904.59/4,643,131.84 - Step 6: Final answer
x = 3,558,166.89
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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.