Finding the Fourth Proportional to 2,135,132.04, 2,946,191.52 and 1,275,509.76
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Solution
The fourth proportional to 2,135,132.04, 2,946,191.52 and 1,275,509.76 is: 1,760,029.81
Step by Step Solution
- Step 1: Write the proportion equation
2,135,132.04 : 2,946,191.52 = 1,275,509.76 : x - Step 2: Convert to fraction form
2,135,132.04/2,946,191.52 = 1,275,509.76/x - Step 3: Cross multiply
2,135,132.04x = 2,946,191.52 × 1,275,509.76 - Step 4: Simplify right side
2,135,132.04x = 3,757,896,038,589.24 - Step 5: Solve for x
x = 3,757,896,038,589.24/2,135,132.04 - Step 6: Final answer
x = 1,760,029.81
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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.