Finding the Fourth Proportional to 2,076,430.08, 3,113,149.76 and 1,276,058.24
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Solution
The fourth proportional to 2,076,430.08, 3,113,149.76 and 1,276,058.24 is: 1,913,168.40
Step by Step Solution
- Step 1: Write the proportion equation
2,076,430.08 : 3,113,149.76 = 1,276,058.24 : x - Step 2: Convert to fraction form
2,076,430.08/3,113,149.76 = 1,276,058.24/x - Step 3: Cross multiply
2,076,430.08x = 3,113,149.76 × 1,276,058.24 - Step 4: Simplify right side
2,076,430.08x = 3,972,560,403,602.02 - Step 5: Solve for x
x = 3,972,560,403,602.02/2,076,430.08 - Step 6: Final answer
x = 1,913,168.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.