Finding the Fourth Proportional to 1,935,811.08, 2,671,480.98 and 1,076,407.56
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Solution
The fourth proportional to 1,935,811.08, 2,671,480.98 and 1,076,407.56 is: 1,485,476.74
Step by Step Solution
- Step 1: Write the proportion equation
1,935,811.08 : 2,671,480.98 = 1,076,407.56 : x - Step 2: Convert to fraction form
1,935,811.08/2,671,480.98 = 1,076,407.56/x - Step 3: Cross multiply
1,935,811.08x = 2,671,480.98 × 1,076,407.56 - Step 4: Simplify right side
1,935,811.08x = 2,875,602,323,268.21 - Step 5: Solve for x
x = 2,875,602,323,268.21/1,935,811.08 - Step 6: Final answer
x = 1,485,476.74
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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.