Finding the Fourth Proportional to 5,127,809.42, 7,078,555.95 and 3,195,024.94
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Solution
The fourth proportional to 5,127,809.42, 7,078,555.95 and 3,195,024.94 is: 4,410,492.07
Step by Step Solution
- Step 1: Write the proportion equation
5,127,809.42 : 7,078,555.95 = 3,195,024.94 : x - Step 2: Convert to fraction form
5,127,809.42/7,078,555.95 = 3,195,024.94/x - Step 3: Cross multiply
5,127,809.42x = 7,078,555.95 × 3,195,024.94 - Step 4: Simplify right side
5,127,809.42x = 22,616,162,799,435.39 - Step 5: Solve for x
x = 22,616,162,799,435.39/5,127,809.42 - Step 6: Final answer
x = 4,410,492.07
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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.