Finding the Fourth Proportional to 1,936,013.41, 2,671,389.34 and 1,076,579.92
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Solution
The fourth proportional to 1,936,013.41, 2,671,389.34 and 1,076,579.92 is: 1,485,508.37
Step by Step Solution
- Step 1: Write the proportion equation
1,936,013.41 : 2,671,389.34 = 1,076,579.92 : x - Step 2: Convert to fraction form
1,936,013.41/2,671,389.34 = 1,076,579.92/x - Step 3: Cross multiply
1,936,013.41x = 2,671,389.34 × 1,076,579.92 - Step 4: Simplify right side
1,936,013.41x = 2,875,964,121,946.05 - Step 5: Solve for x
x = 2,875,964,121,946.05/1,936,013.41 - Step 6: Final answer
x = 1,485,508.37
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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.