Finding the Fourth Proportional to 4,742,610.36, 6,548,575.05 and 4,379,901.54
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Solution
The fourth proportional to 4,742,610.36, 6,548,575.05 and 4,379,901.54 is: 6,047,748.34
Step by Step Solution
- Step 1: Write the proportion equation
4,742,610.36 : 6,548,575.05 = 4,379,901.54 : x - Step 2: Convert to fraction form
4,742,610.36/6,548,575.05 = 4,379,901.54/x - Step 3: Cross multiply
4,742,610.36x = 6,548,575.05 × 4,379,901.54 - Step 4: Simplify right side
4,742,610.36x = 28,682,113,946,300.58 - Step 5: Solve for x
x = 28,682,113,946,300.58/4,742,610.36 - Step 6: Final answer
x = 6,047,748.34
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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.