Finding the Fourth Proportional to 1,724,309.38, 2,379,545.28 and 999,577.18
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Solution
The fourth proportional to 1,724,309.38, 2,379,545.28 and 999,577.18 is: 1,379,415.54
Step by Step Solution
- Step 1: Write the proportion equation
1,724,309.38 : 2,379,545.28 = 999,577.18 : x - Step 2: Convert to fraction form
1,724,309.38/2,379,545.28 = 999,577.18/x - Step 3: Cross multiply
1,724,309.38x = 2,379,545.28 × 999,577.18 - Step 4: Simplify right side
1,724,309.38x = 2,378,539,160,664.71 - Step 5: Solve for x
x = 2,378,539,160,664.71/1,724,309.38 - Step 6: Final answer
x = 1,379,415.54
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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.