Finding the Fourth Proportional to 1,813,689.90, 2,501,192.93 and 1,125,473.40
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Solution
The fourth proportional to 1,813,689.90, 2,501,192.93 and 1,125,473.40 is: 1,552,098.90
Step by Step Solution
- Step 1: Write the proportion equation
1,813,689.90 : 2,501,192.93 = 1,125,473.40 : x - Step 2: Convert to fraction form
1,813,689.90/2,501,192.93 = 1,125,473.40/x - Step 3: Cross multiply
1,813,689.90x = 2,501,192.93 × 1,125,473.40 - Step 4: Simplify right side
1,813,689.90x = 2,815,026,105,355.69 - Step 5: Solve for x
x = 2,815,026,105,355.69/1,813,689.90 - Step 6: Final answer
x = 1,552,098.90
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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.