Finding the Fourth Proportional to 5,000,564.96, 6,900,812.80 and 2,708,725.68
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Solution
The fourth proportional to 5,000,564.96, 6,900,812.80 and 2,708,725.68 is: 3,738,059.40
Step by Step Solution
- Step 1: Write the proportion equation
5,000,564.96 : 6,900,812.80 = 2,708,725.68 : x - Step 2: Convert to fraction form
5,000,564.96/6,900,812.80 = 2,708,725.68/x - Step 3: Cross multiply
5,000,564.96x = 6,900,812.80 × 2,708,725.68 - Step 4: Simplify right side
5,000,564.96x = 18,692,408,844,232.70 - Step 5: Solve for x
x = 18,692,408,844,232.70/5,000,564.96 - Step 6: Final answer
x = 3,738,059.40
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1.5x scale
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.