Finding the Fourth Proportional to 2,041,864.76, 2,817,938.07 and 1,170,780.49
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Solution
The fourth proportional to 2,041,864.76, 2,817,938.07 and 1,170,780.49 is: 1,615,771.52
Step by Step Solution
- Step 1: Write the proportion equation
2,041,864.76 : 2,817,938.07 = 1,170,780.49 : x - Step 2: Convert to fraction form
2,041,864.76/2,817,938.07 = 1,170,780.49/x - Step 3: Cross multiply
2,041,864.76x = 2,817,938.07 × 1,170,780.49 - Step 4: Simplify right side
2,041,864.76x = 3,299,186,918,936.15 - Step 5: Solve for x
x = 3,299,186,918,936.15/2,041,864.76 - Step 6: Final answer
x = 1,615,771.52
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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.