Finding the Fourth Proportional to 6,625,313.52, 9,142,877.68 and 3,724,717.32
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Solution
The fourth proportional to 6,625,313.52, 9,142,877.68 and 3,724,717.32 is: 5,140,078.99
Step by Step Solution
- Step 1: Write the proportion equation
6,625,313.52 : 9,142,877.68 = 3,724,717.32 : x - Step 2: Convert to fraction form
6,625,313.52/9,142,877.68 = 3,724,717.32/x - Step 3: Cross multiply
6,625,313.52x = 9,142,877.68 × 3,724,717.32 - Step 4: Simplify right side
6,625,313.52x = 34,054,634,849,337.41 - Step 5: Solve for x
x = 34,054,634,849,337.41/6,625,313.52 - Step 6: Final answer
x = 5,140,078.99
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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.