Finding the Fourth Proportional to 2,107,295.24, 2,908,076.70 and 1,140,425.66
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Solution
The fourth proportional to 2,107,295.24, 2,908,076.70 and 1,140,425.66 is: 1,573,792.43
Step by Step Solution
- Step 1: Write the proportion equation
2,107,295.24 : 2,908,076.70 = 1,140,425.66 : x - Step 2: Convert to fraction form
2,107,295.24/2,908,076.70 = 1,140,425.66/x - Step 3: Cross multiply
2,107,295.24x = 2,908,076.70 × 1,140,425.66 - Step 4: Simplify right side
2,107,295.24x = 3,316,445,289,928.12 - Step 5: Solve for x
x = 3,316,445,289,928.12/2,107,295.24 - Step 6: Final answer
x = 1,573,792.43
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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.