Finding the Fourth Proportional to 1,139,247.08, 1,572,188.28 and 649,206.12
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Solution
The fourth proportional to 1,139,247.08, 1,572,188.28 and 649,206.12 is: 895,920.01
Step by Step Solution
- Step 1: Write the proportion equation
1,139,247.08 : 1,572,188.28 = 649,206.12 : x - Step 2: Convert to fraction form
1,139,247.08/1,572,188.28 = 649,206.12/x - Step 3: Cross multiply
1,139,247.08x = 1,572,188.28 × 649,206.12 - Step 4: Simplify right side
1,139,247.08x = 1,020,674,253,168.27 - Step 5: Solve for x
x = 1,020,674,253,168.27/1,139,247.08 - Step 6: Final answer
x = 895,920.01
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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.