Finding the Fourth Proportional to 1,472,856.06, 2,032,521.99 and 828,276.09
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Solution
The fourth proportional to 1,472,856.06, 2,032,521.99 and 828,276.09 is: 1,143,010.11
Step by Step Solution
- Step 1: Write the proportion equation
1,472,856.06 : 2,032,521.99 = 828,276.09 : x - Step 2: Convert to fraction form
1,472,856.06/2,032,521.99 = 828,276.09/x - Step 3: Cross multiply
1,472,856.06x = 2,032,521.99 × 828,276.09 - Step 4: Simplify right side
1,472,856.06x = 1,683,489,366,716.22 - Step 5: Solve for x
x = 1,683,489,366,716.22/1,472,856.06 - Step 6: Final answer
x = 1,143,010.11
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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.