Finding the Fourth Proportional to 1,476,479.08, 2,036,604.90 and 931,663.36
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Solution
The fourth proportional to 1,476,479.08, 2,036,604.90 and 931,663.36 is: 1,285,104.67
Step by Step Solution
- Step 1: Write the proportion equation
1,476,479.08 : 2,036,604.90 = 931,663.36 : x - Step 2: Convert to fraction form
1,476,479.08/2,036,604.90 = 931,663.36/x - Step 3: Cross multiply
1,476,479.08x = 2,036,604.90 × 931,663.36 - Step 4: Simplify right side
1,476,479.08x = 1,897,430,164,126.46 - Step 5: Solve for x
x = 1,897,430,164,126.46/1,476,479.08 - Step 6: Final answer
x = 1,285,104.67
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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.