Finding the Fourth Proportional to 1,634,715.84, 2,255,767.92 and 909,564.96
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Solution
The fourth proportional to 1,634,715.84, 2,255,767.92 and 909,564.96 is: 1,255,121.78
Step by Step Solution
- Step 1: Write the proportion equation
1,634,715.84 : 2,255,767.92 = 909,564.96 : x - Step 2: Convert to fraction form
1,634,715.84/2,255,767.92 = 909,564.96/x - Step 3: Cross multiply
1,634,715.84x = 2,255,767.92 × 909,564.96 - Step 4: Simplify right side
1,634,715.84x = 2,051,767,457,924.08 - Step 5: Solve for x
x = 2,051,767,457,924.08/1,634,715.84 - Step 6: Final answer
x = 1,255,121.78
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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.