Finding the Fourth Proportional to 2,890,720.20, 4,334,330.70 and 1,292,985.48
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Solution
The fourth proportional to 2,890,720.20, 4,334,330.70 and 1,292,985.48 is: 1,938,695.64
Step by Step Solution
- Step 1: Write the proportion equation
2,890,720.20 : 4,334,330.70 = 1,292,985.48 : x - Step 2: Convert to fraction form
2,890,720.20/4,334,330.70 = 1,292,985.48/x - Step 3: Cross multiply
2,890,720.20x = 4,334,330.70 × 1,292,985.48 - Step 4: Simplify right side
2,890,720.20x = 5,604,226,660,618.24 - Step 5: Solve for x
x = 5,604,226,660,618.24/2,890,720.20 - Step 6: Final answer
x = 1,938,695.64
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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.