Finding the Fourth Proportional to 5,128,533.20, 7,683,468.60 and 4,176,750.80
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Solution
The fourth proportional to 5,128,533.20, 7,683,468.60 and 4,176,750.80 is: 6,257,526.74
Step by Step Solution
- Step 1: Write the proportion equation
5,128,533.20 : 7,683,468.60 = 4,176,750.80 : x - Step 2: Convert to fraction form
5,128,533.20/7,683,468.60 = 4,176,750.80/x - Step 3: Cross multiply
5,128,533.20x = 7,683,468.60 × 4,176,750.80 - Step 4: Simplify right side
5,128,533.20x = 32,091,933,621,824.88 - Step 5: Solve for x
x = 32,091,933,621,824.88/5,128,533.20 - Step 6: Final answer
x = 6,257,526.74
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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.