Finding the Fourth Proportional to 5,655,221.01, 7,803,971.73 and 3,076,911.99
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Solution
The fourth proportional to 5,655,221.01, 7,803,971.73 and 3,076,911.99 is: 4,246,011.63
Step by Step Solution
- Step 1: Write the proportion equation
5,655,221.01 : 7,803,971.73 = 3,076,911.99 : x - Step 2: Convert to fraction form
5,655,221.01/7,803,971.73 = 3,076,911.99/x - Step 3: Cross multiply
5,655,221.01x = 7,803,971.73 × 3,076,911.99 - Step 4: Simplify right side
5,655,221.01x = 24,012,134,185,658.05 - Step 5: Solve for x
x = 24,012,134,185,658.05/5,655,221.01 - Step 6: Final answer
x = 4,246,011.63
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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.