Finding the Fourth Proportional to 1,677,176.84, 2,516,158.74 and 479,116.28
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Solution
The fourth proportional to 1,677,176.84, 2,516,158.74 and 479,116.28 is: 718,786.82
Step by Step Solution
- Step 1: Write the proportion equation
1,677,176.84 : 2,516,158.74 = 479,116.28 : x - Step 2: Convert to fraction form
1,677,176.84/2,516,158.74 = 479,116.28/x - Step 3: Cross multiply
1,677,176.84x = 2,516,158.74 × 479,116.28 - Step 4: Simplify right side
1,677,176.84x = 1,205,532,615,398.29 - Step 5: Solve for x
x = 1,205,532,615,398.29/1,677,176.84 - Step 6: Final answer
x = 718,786.82
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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.