Finding the Fourth Proportional to 3,422,270.25, 5,138,451.88 and 1,908,909.99
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Solution
The fourth proportional to 3,422,270.25, 5,138,451.88 and 1,908,909.99 is: 2,866,179.88
Step by Step Solution
- Step 1: Write the proportion equation
3,422,270.25 : 5,138,451.88 = 1,908,909.99 : x - Step 2: Convert to fraction form
3,422,270.25/5,138,451.88 = 1,908,909.99/x - Step 3: Cross multiply
3,422,270.25x = 5,138,451.88 × 1,908,909.99 - Step 4: Simplify right side
3,422,270.25x = 9,808,842,122,094.01 - Step 5: Solve for x
x = 9,808,842,122,094.01/3,422,270.25 - Step 6: Final answer
x = 2,866,179.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.