Finding the Fourth Proportional to 3,316,392.90, 4,974,032.88 and 920,480.94
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Solution
The fourth proportional to 3,316,392.90, 4,974,032.88 and 920,480.94 is: 1,380,566.96
Step by Step Solution
- Step 1: Write the proportion equation
3,316,392.90 : 4,974,032.88 = 920,480.94 : x - Step 2: Convert to fraction form
3,316,392.90/4,974,032.88 = 920,480.94/x - Step 3: Cross multiply
3,316,392.90x = 4,974,032.88 × 920,480.94 - Step 4: Simplify right side
3,316,392.90x = 4,578,502,460,973.31 - Step 5: Solve for x
x = 4,578,502,460,973.31/3,316,392.90 - Step 6: Final answer
x = 1,380,566.96
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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.