Finding the Fourth Proportional to 2,117,364.90, 3,176,115.88 and 1,007,980.08
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Solution
The fourth proportional to 2,117,364.90, 3,176,115.88 and 1,007,980.08 is: 1,512,002.74
Step by Step Solution
- Step 1: Write the proportion equation
2,117,364.90 : 3,176,115.88 = 1,007,980.08 : x - Step 2: Convert to fraction form
2,117,364.90/3,176,115.88 = 1,007,980.08/x - Step 3: Cross multiply
2,117,364.90x = 3,176,115.88 × 1,007,980.08 - Step 4: Simplify right side
2,117,364.90x = 3,201,461,533,771.77 - Step 5: Solve for x
x = 3,201,461,533,771.77/2,117,364.90 - Step 6: Final answer
x = 1,512,002.74
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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.