Finding the Fourth Proportional to 2,928,400.99, 4,386,881.09 and 2,017,422.54
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Solution
The fourth proportional to 2,928,400.99, 4,386,881.09 and 2,017,422.54 is: 3,022,192.94
Step by Step Solution
- Step 1: Write the proportion equation
2,928,400.99 : 4,386,881.09 = 2,017,422.54 : x - Step 2: Convert to fraction form
2,928,400.99/4,386,881.09 = 2,017,422.54/x - Step 3: Cross multiply
2,928,400.99x = 4,386,881.09 × 2,017,422.54 - Step 4: Simplify right side
2,928,400.99x = 8,850,192,781,178.66 - Step 5: Solve for x
x = 8,850,192,781,178.66/2,928,400.99 - Step 6: Final answer
x = 3,022,192.94
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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.