Finding the Fourth Proportional to 1,943,875.20, 2,915,795.52 and 523,813.44
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Solution
The fourth proportional to 1,943,875.20, 2,915,795.52 and 523,813.44 is: 785,715.50
Step by Step Solution
- Step 1: Write the proportion equation
1,943,875.20 : 2,915,795.52 = 523,813.44 : x - Step 2: Convert to fraction form
1,943,875.20/2,915,795.52 = 523,813.44/x - Step 3: Cross multiply
1,943,875.20x = 2,915,795.52 × 523,813.44 - Step 4: Simplify right side
1,943,875.20x = 1,527,332,881,667.79 - Step 5: Solve for x
x = 1,527,332,881,667.79/1,943,875.20 - Step 6: Final answer
x = 785,715.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.