Finding the Fourth Proportional to 5,406,359.64, 7,460,472.72 and 2,958,965.68
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Solution
The fourth proportional to 5,406,359.64, 7,460,472.72 and 2,958,965.68 is: 4,083,206.48
Step by Step Solution
- Step 1: Write the proportion equation
5,406,359.64 : 7,460,472.72 = 2,958,965.68 : x - Step 2: Convert to fraction form
5,406,359.64/7,460,472.72 = 2,958,965.68/x - Step 3: Cross multiply
5,406,359.64x = 7,460,472.72 × 2,958,965.68 - Step 4: Simplify right side
5,406,359.64x = 22,075,282,735,056.25 - Step 5: Solve for x
x = 22,075,282,735,056.25/5,406,359.64 - Step 6: Final answer
x = 4,083,206.48
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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.