Finding the Fourth Proportional to 3,218,830.70, 4,828,246.05 and 974,968.70
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Solution
The fourth proportional to 3,218,830.70, 4,828,246.05 and 974,968.70 is: 1,462,453.05
Step by Step Solution
- Step 1: Write the proportion equation
3,218,830.70 : 4,828,246.05 = 974,968.70 : x - Step 2: Convert to fraction form
3,218,830.70/4,828,246.05 = 974,968.70/x - Step 3: Cross multiply
3,218,830.70x = 4,828,246.05 × 974,968.70 - Step 4: Simplify right side
3,218,830.70x = 4,707,388,774,648.64 - Step 5: Solve for x
x = 4,707,388,774,648.64/3,218,830.70 - Step 6: Final answer
x = 1,462,453.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.