Finding the Fourth Proportional to 2,997,303.13, 4,136,376.74 and 1,639,176.13
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Solution
The fourth proportional to 2,997,303.13, 4,136,376.74 and 1,639,176.13 is: 2,262,116.88
Step by Step Solution
- Step 1: Write the proportion equation
2,997,303.13 : 4,136,376.74 = 1,639,176.13 : x - Step 2: Convert to fraction form
2,997,303.13/4,136,376.74 = 1,639,176.13/x - Step 3: Cross multiply
2,997,303.13x = 4,136,376.74 × 1,639,176.13 - Step 4: Simplify right side
2,997,303.13x = 6,780,250,016,895.22 - Step 5: Solve for x
x = 6,780,250,016,895.22/2,997,303.13 - Step 6: Final answer
x = 2,262,116.88
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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.