Finding the Fourth Proportional to 2,316,476.78, 3,195,656.70 and 1,457,510.66
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Solution
The fourth proportional to 2,316,476.78, 3,195,656.70 and 1,457,510.66 is: 2,010,684.39
Step by Step Solution
- Step 1: Write the proportion equation
2,316,476.78 : 3,195,656.70 = 1,457,510.66 : x - Step 2: Convert to fraction form
2,316,476.78/3,195,656.70 = 1,457,510.66/x - Step 3: Cross multiply
2,316,476.78x = 3,195,656.70 × 1,457,510.66 - Step 4: Simplify right side
2,316,476.78x = 4,657,703,704,688.68 - Step 5: Solve for x
x = 4,657,703,704,688.68/2,316,476.78 - Step 6: Final answer
x = 2,010,684.39
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1.5x scale
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.