Finding the Fourth Proportional to 4,281,171.10, 6,421,133.95 and 1,247,722.65
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Solution
The fourth proportional to 4,281,171.10, 6,421,133.95 and 1,247,722.65 is: 1,871,402.49
Step by Step Solution
- Step 1: Write the proportion equation
4,281,171.10 : 6,421,133.95 = 1,247,722.65 : x - Step 2: Convert to fraction form
4,281,171.10/6,421,133.95 = 1,247,722.65/x - Step 3: Cross multiply
4,281,171.10x = 6,421,133.95 × 1,247,722.65 - Step 4: Simplify right side
4,281,171.10x = 8,011,794,264,979.66 - Step 5: Solve for x
x = 8,011,794,264,979.66/4,281,171.10 - Step 6: Final answer
x = 1,871,402.49
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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.