Finding the Fourth Proportional to 2,143,901.84, 2,958,590.04 and 1,177,094.48
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Solution
The fourth proportional to 2,143,901.84, 2,958,590.04 and 1,177,094.48 is: 1,624,393.40
Step by Step Solution
- Step 1: Write the proportion equation
2,143,901.84 : 2,958,590.04 = 1,177,094.48 : x - Step 2: Convert to fraction form
2,143,901.84/2,958,590.04 = 1,177,094.48/x - Step 3: Cross multiply
2,143,901.84x = 2,958,590.04 × 1,177,094.48 - Step 4: Simplify right side
2,143,901.84x = 3,482,540,004,666.98 - Step 5: Solve for x
x = 3,482,540,004,666.98/2,143,901.84 - Step 6: Final answer
x = 1,624,393.40
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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.