Finding the Fourth Proportional to 5,713,834.77, 7,885,319.32 and 3,135,607.81
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Solution
The fourth proportional to 5,713,834.77, 7,885,319.32 and 3,135,607.81 is: 4,327,263.53
Step by Step Solution
- Step 1: Write the proportion equation
5,713,834.77 : 7,885,319.32 = 3,135,607.81 : x - Step 2: Convert to fraction form
5,713,834.77/7,885,319.32 = 3,135,607.81/x - Step 3: Cross multiply
5,713,834.77x = 7,885,319.32 × 3,135,607.81 - Step 4: Simplify right side
5,713,834.77x = 24,725,268,828,342.10 - Step 5: Solve for x
x = 24,725,268,828,342.10/5,713,834.77 - Step 6: Final answer
x = 4,327,263.53
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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.