Finding the Fourth Proportional to 1,666,356.48, 2,497,907.94 and 813,393.68
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Solution
The fourth proportional to 1,666,356.48, 2,497,907.94 and 813,393.68 is: 1,219,296.44
Step by Step Solution
- Step 1: Write the proportion equation
1,666,356.48 : 2,497,907.94 = 813,393.68 : x - Step 2: Convert to fraction form
1,666,356.48/2,497,907.94 = 813,393.68/x - Step 3: Cross multiply
1,666,356.48x = 2,497,907.94 × 813,393.68 - Step 4: Simplify right side
1,666,356.48x = 2,031,782,531,617.82 - Step 5: Solve for x
x = 2,031,782,531,617.82/1,666,356.48 - Step 6: Final answer
x = 1,219,296.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.