Finding the Fourth Proportional to 1,626,923.61, 2,243,988.77 and 1,075,000.05
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Solution
The fourth proportional to 1,626,923.61, 2,243,988.77 and 1,075,000.05 is: 1,482,729.75
Step by Step Solution
- Step 1: Write the proportion equation
1,626,923.61 : 2,243,988.77 = 1,075,000.05 : x - Step 2: Convert to fraction form
1,626,923.61/2,243,988.77 = 1,075,000.05/x - Step 3: Cross multiply
1,626,923.61x = 2,243,988.77 × 1,075,000.05 - Step 4: Simplify right side
1,626,923.61x = 2,412,288,034,574.44 - Step 5: Solve for x
x = 2,412,288,034,574.44/1,626,923.61 - Step 6: Final answer
x = 1,482,729.75
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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.