Finding the Fourth Proportional to 6,719,789.07, 10,076,880.99 and 2,107,587.01
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Solution
The fourth proportional to 6,719,789.07, 10,076,880.99 and 2,107,587.01 is: 3,160,501.51
Step by Step Solution
- Step 1: Write the proportion equation
6,719,789.07 : 10,076,880.99 = 2,107,587.01 : x - Step 2: Convert to fraction form
6,719,789.07/10,076,880.99 = 2,107,587.01/x - Step 3: Cross multiply
6,719,789.07x = 10,076,880.99 × 2,107,587.01 - Step 4: Simplify right side
6,719,789.07x = 21,237,903,480,532.59 - Step 5: Solve for x
x = 21,237,903,480,532.59/6,719,789.07 - Step 6: Final answer
x = 3,160,501.51
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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.