Finding the Fourth Proportional to 3,153,964.13, 4,352,472.18 and 1,703,659.53
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Solution
The fourth proportional to 3,153,964.13, 4,352,472.18 and 1,703,659.53 is: 2,351,051.06
Step by Step Solution
- Step 1: Write the proportion equation
3,153,964.13 : 4,352,472.18 = 1,703,659.53 : x - Step 2: Convert to fraction form
3,153,964.13/4,352,472.18 = 1,703,659.53/x - Step 3: Cross multiply
3,153,964.13x = 4,352,472.18 × 1,703,659.53 - Step 4: Simplify right side
3,153,964.13x = 7,415,130,699,998.58 - Step 5: Solve for x
x = 7,415,130,699,998.58/3,153,964.13 - Step 6: Final answer
x = 2,351,051.06
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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.