Finding the Fourth Proportional to 1,602,673.64, 2,211,486.99 and 1,276,813.12
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Solution
The fourth proportional to 1,602,673.64, 2,211,486.99 and 1,276,813.12 is: 1,761,840.67
Step by Step Solution
- Step 1: Write the proportion equation
1,602,673.64 : 2,211,486.99 = 1,276,813.12 : x - Step 2: Convert to fraction form
1,602,673.64/2,211,486.99 = 1,276,813.12/x - Step 3: Cross multiply
1,602,673.64x = 2,211,486.99 × 1,276,813.12 - Step 4: Simplify right side
1,602,673.64x = 2,823,655,603,541.31 - Step 5: Solve for x
x = 2,823,655,603,541.31/1,602,673.64 - Step 6: Final answer
x = 1,761,840.67
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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.