Finding the Fourth Proportional to 1,724,389.16, 2,379,657.69 and 999,656.99
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Solution
The fourth proportional to 1,724,389.16, 2,379,657.69 and 999,656.99 is: 1,379,527.03
Step by Step Solution
- Step 1: Write the proportion equation
1,724,389.16 : 2,379,657.69 = 999,656.99 : x - Step 2: Convert to fraction form
1,724,389.16/2,379,657.69 = 999,656.99/x - Step 3: Cross multiply
1,724,389.16x = 2,379,657.69 × 999,656.99 - Step 4: Simplify right side
1,724,389.16x = 2,378,841,454,026.76 - Step 5: Solve for x
x = 2,378,841,454,026.76/1,724,389.16 - Step 6: Final answer
x = 1,379,527.03
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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.