Finding the Fourth Proportional to 2,679,214.35, 3,697,230.51 and 1,533,270.09
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Solution
The fourth proportional to 2,679,214.35, 3,697,230.51 and 1,533,270.09 is: 2,115,863.91
Step by Step Solution
- Step 1: Write the proportion equation
2,679,214.35 : 3,697,230.51 = 1,533,270.09 : x - Step 2: Convert to fraction form
2,679,214.35/3,697,230.51 = 1,533,270.09/x - Step 3: Cross multiply
2,679,214.35x = 3,697,230.51 × 1,533,270.09 - Step 4: Simplify right side
2,679,214.35x = 5,668,852,956,818.45 - Step 5: Solve for x
x = 5,668,852,956,818.45/2,679,214.35 - Step 6: Final answer
x = 2,115,863.91
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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.