Finding the Fourth Proportional to 7,274,033.80, 10,911,050.70 and 4,439,681.80
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Solution
The fourth proportional to 7,274,033.80, 10,911,050.70 and 4,439,681.80 is: 6,659,522.70
Step by Step Solution
- Step 1: Write the proportion equation
7,274,033.80 : 10,911,050.70 = 4,439,681.80 : x - Step 2: Convert to fraction form
7,274,033.80/10,911,050.70 = 4,439,681.80/x - Step 3: Cross multiply
7,274,033.80x = 10,911,050.70 × 4,439,681.80 - Step 4: Simplify right side
7,274,033.80x = 48,441,593,211,667.26 - Step 5: Solve for x
x = 48,441,593,211,667.26/7,274,033.80 - Step 6: Final answer
x = 6,659,522.70
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1.5x scale
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.