Finding the Fourth Proportional to 4,791,804.84, 6,612,782.74 and 2,616,434.20
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Solution
The fourth proportional to 4,791,804.84, 6,612,782.74 and 2,616,434.20 is: 3,610,729.46
Step by Step Solution
- Step 1: Write the proportion equation
4,791,804.84 : 6,612,782.74 = 2,616,434.20 : x - Step 2: Convert to fraction form
4,791,804.84/6,612,782.74 = 2,616,434.20/x - Step 3: Cross multiply
4,791,804.84x = 6,612,782.74 × 2,616,434.20 - Step 4: Simplify right side
4,791,804.84x = 17,301,910,918,105.71 - Step 5: Solve for x
x = 17,301,910,918,105.71/4,791,804.84 - Step 6: Final answer
x = 3,610,729.46
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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.