Finding the Fourth Proportional to 2,699,342.12, 3,705,263.71 and 2,386,566.94
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Solution
The fourth proportional to 2,699,342.12, 3,705,263.71 and 2,386,566.94 is: 3,275,931.50
Step by Step Solution
- Step 1: Write the proportion equation
2,699,342.12 : 3,705,263.71 = 2,386,566.94 : x - Step 2: Convert to fraction form
2,699,342.12/3,705,263.71 = 2,386,566.94/x - Step 3: Cross multiply
2,699,342.12x = 3,705,263.71 × 2,386,566.94 - Step 4: Simplify right side
2,699,342.12x = 8,842,859,874,267.75 - Step 5: Solve for x
x = 8,842,859,874,267.75/2,699,342.12 - Step 6: Final answer
x = 3,275,931.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.