Finding the Fourth Proportional to 4,938,349.17, 6,815,186.53 and 2,762,762.54
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Solution
The fourth proportional to 4,938,349.17, 6,815,186.53 and 2,762,762.54 is: 3,812,760.38
Step by Step Solution
- Step 1: Write the proportion equation
4,938,349.17 : 6,815,186.53 = 2,762,762.54 : x - Step 2: Convert to fraction form
4,938,349.17/6,815,186.53 = 2,762,762.54/x - Step 3: Cross multiply
4,938,349.17x = 6,815,186.53 × 2,762,762.54 - Step 4: Simplify right side
4,938,349.17x = 18,828,742,048,196.59 - Step 5: Solve for x
x = 18,828,742,048,196.59/4,938,349.17 - Step 6: Final answer
x = 3,812,760.38
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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.