Finding the Fourth Proportional to 2,316,706.11, 3,196,923.80 and 1,349,993.79
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Solution
The fourth proportional to 2,316,706.11, 3,196,923.80 and 1,349,993.79 is: 1,862,915.31
Step by Step Solution
- Step 1: Write the proportion equation
2,316,706.11 : 3,196,923.80 = 1,349,993.79 : x - Step 2: Convert to fraction form
2,316,706.11/3,196,923.80 = 1,349,993.79/x - Step 3: Cross multiply
2,316,706.11x = 3,196,923.80 × 1,349,993.79 - Step 4: Simplify right side
2,316,706.11x = 4,315,827,270,353.23 - Step 5: Solve for x
x = 4,315,827,270,353.23/2,316,706.11 - Step 6: Final answer
x = 1,862,915.31
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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.