Finding the Fourth Proportional to 4,087,279.12, 6,130,918.04 and 1,247,405.84
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Solution
The fourth proportional to 4,087,279.12, 6,130,918.04 and 1,247,405.84 is: 1,871,108.56
Step by Step Solution
- Step 1: Write the proportion equation
4,087,279.12 : 6,130,918.04 = 1,247,405.84 : x - Step 2: Convert to fraction form
4,087,279.12/6,130,918.04 = 1,247,405.84/x - Step 3: Cross multiply
4,087,279.12x = 6,130,918.04 × 1,247,405.84 - Step 4: Simplify right side
4,087,279.12x = 7,647,742,967,657.36 - Step 5: Solve for x
x = 7,647,742,967,657.36/4,087,279.12 - Step 6: Final answer
x = 1,871,108.56
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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.