Finding the Fourth Proportional to 4,810,538.29, 6,636,025.98 and 2,974,409.63
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Solution
The fourth proportional to 4,810,538.29, 6,636,025.98 and 2,974,409.63 is: 4,103,129.09
Step by Step Solution
- Step 1: Write the proportion equation
4,810,538.29 : 6,636,025.98 = 2,974,409.63 : x - Step 2: Convert to fraction form
4,810,538.29/6,636,025.98 = 2,974,409.63/x - Step 3: Cross multiply
4,810,538.29x = 6,636,025.98 × 2,974,409.63 - Step 4: Simplify right side
4,810,538.29x = 19,738,259,579,842.19 - Step 5: Solve for x
x = 19,738,259,579,842.19/4,810,538.29 - Step 6: Final answer
x = 4,103,129.09
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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.