Finding the Fourth Proportional to 1,365,953.80, 2,048,930.70 and 657,365.80
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Solution
The fourth proportional to 1,365,953.80, 2,048,930.70 and 657,365.80 is: 986,048.70
Step by Step Solution
- Step 1: Write the proportion equation
1,365,953.80 : 2,048,930.70 = 657,365.80 : x - Step 2: Convert to fraction form
1,365,953.80/2,048,930.70 = 657,365.80/x - Step 3: Cross multiply
1,365,953.80x = 2,048,930.70 × 657,365.80 - Step 4: Simplify right side
1,365,953.80x = 1,346,896,968,750.06 - Step 5: Solve for x
x = 1,346,896,968,750.06/1,365,953.80 - Step 6: Final answer
x = 986,048.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.