Finding the Fourth Proportional to 2,974,280.19, 4,104,532.62 and 1,616,153.19
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Solution
The fourth proportional to 2,974,280.19, 4,104,532.62 and 1,616,153.19 is: 2,230,305.51
Step by Step Solution
- Step 1: Write the proportion equation
2,974,280.19 : 4,104,532.62 = 1,616,153.19 : x - Step 2: Convert to fraction form
2,974,280.19/4,104,532.62 = 1,616,153.19/x - Step 3: Cross multiply
2,974,280.19x = 4,104,532.62 × 1,616,153.19 - Step 4: Simplify right side
2,974,280.19x = 6,633,553,487,272.06 - Step 5: Solve for x
x = 6,633,553,487,272.06/2,974,280.19 - Step 6: Final answer
x = 2,230,305.51
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1.5x scale
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.