Finding the Fourth Proportional to 1,869,102.82, 2,579,364.18 and 1,009,663.07
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Solution
The fourth proportional to 1,869,102.82, 2,579,364.18 and 1,009,663.07 is: 1,393,336.28
Step by Step Solution
- Step 1: Write the proportion equation
1,869,102.82 : 2,579,364.18 = 1,009,663.07 : x - Step 2: Convert to fraction form
1,869,102.82/2,579,364.18 = 1,009,663.07/x - Step 3: Cross multiply
1,869,102.82x = 2,579,364.18 × 1,009,663.07 - Step 4: Simplify right side
1,869,102.82x = 2,604,288,756,626.83 - Step 5: Solve for x
x = 2,604,288,756,626.83/1,869,102.82 - Step 6: Final answer
x = 1,393,336.28
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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.