Finding the Fourth Proportional to 2,813,999.90, 4,219,965.86 and 966,987.99
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Solution
The fourth proportional to 2,813,999.90, 4,219,965.86 and 966,987.99 is: 1,450,126.67
Step by Step Solution
- Step 1: Write the proportion equation
2,813,999.90 : 4,219,965.86 = 966,987.99 : x - Step 2: Convert to fraction form
2,813,999.90/4,219,965.86 = 966,987.99/x - Step 3: Cross multiply
2,813,999.90x = 4,219,965.86 × 966,987.99 - Step 4: Simplify right side
2,813,999.90x = 4,080,656,299,995.08 - Step 5: Solve for x
x = 4,080,656,299,995.08/2,813,999.90 - Step 6: Final answer
x = 1,450,126.67
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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.