Finding the Fourth Proportional to 1,724,470.57, 2,379,655.54 and 1,035,733.19
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Solution
The fourth proportional to 1,724,470.57, 2,379,655.54 and 1,035,733.19 is: 1,429,243.42
Step by Step Solution
- Step 1: Write the proportion equation
1,724,470.57 : 2,379,655.54 = 1,035,733.19 : x - Step 2: Convert to fraction form
1,724,470.57/2,379,655.54 = 1,035,733.19/x - Step 3: Cross multiply
1,724,470.57x = 2,379,655.54 × 1,035,733.19 - Step 4: Simplify right side
1,724,470.57x = 2,464,688,212,941.76 - Step 5: Solve for x
x = 2,464,688,212,941.76/1,724,470.57 - Step 6: Final answer
x = 1,429,243.42
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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.