Finding the Fourth Proportional to 1,615,119.62, 2,228,962.95 and 889,966.47
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Solution
The fourth proportional to 1,615,119.62, 2,228,962.95 and 889,966.47 is: 1,228,207.65
Step by Step Solution
- Step 1: Write the proportion equation
1,615,119.62 : 2,228,962.95 = 889,966.47 : x - Step 2: Convert to fraction form
1,615,119.62/2,228,962.95 = 889,966.47/x - Step 3: Cross multiply
1,615,119.62x = 2,228,962.95 × 889,966.47 - Step 4: Simplify right side
1,615,119.62x = 1,983,702,276,672.55 - Step 5: Solve for x
x = 1,983,702,276,672.55/1,615,119.62 - Step 6: Final answer
x = 1,228,207.65
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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.