Finding the Fourth Proportional to 6,360,702.79, 8,777,763.21 and 3,460,086.74
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Solution
The fourth proportional to 6,360,702.79, 8,777,763.21 and 3,460,086.74 is: 4,774,916.09
Step by Step Solution
- Step 1: Write the proportion equation
6,360,702.79 : 8,777,763.21 = 3,460,086.74 : x - Step 2: Convert to fraction form
6,360,702.79/8,777,763.21 = 3,460,086.74/x - Step 3: Cross multiply
6,360,702.79x = 8,777,763.21 × 3,460,086.74 - Step 4: Simplify right side
6,360,702.79x = 30,371,822,111,725.25 - Step 5: Solve for x
x = 30,371,822,111,725.25/6,360,702.79 - Step 6: Final answer
x = 4,774,916.09
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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.