Finding the Fourth Proportional to 4,948,368.96, 6,828,633.28 and 2,911,309.44
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Solution
The fourth proportional to 4,948,368.96, 6,828,633.28 and 2,911,309.44 is: 4,017,538.85
Step by Step Solution
- Step 1: Write the proportion equation
4,948,368.96 : 6,828,633.28 = 2,911,309.44 : x - Step 2: Convert to fraction form
4,948,368.96/6,828,633.28 = 2,911,309.44/x - Step 3: Cross multiply
4,948,368.96x = 6,828,633.28 × 2,911,309.44 - Step 4: Simplify right side
4,948,368.96x = 19,880,264,530,362.16 - Step 5: Solve for x
x = 19,880,264,530,362.16/4,948,368.96 - Step 6: Final answer
x = 4,017,538.85
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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.