Finding the Fourth Proportional to 1,475,798.86, 2,213,698.70 and 1,139,330.67
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Solution
The fourth proportional to 1,475,798.86, 2,213,698.70 and 1,139,330.67 is: 1,708,996.32
Step by Step Solution
- Step 1: Write the proportion equation
1,475,798.86 : 2,213,698.70 = 1,139,330.67 : x - Step 2: Convert to fraction form
1,475,798.86/2,213,698.70 = 1,139,330.67/x - Step 3: Cross multiply
1,475,798.86x = 2,213,698.70 × 1,139,330.67 - Step 4: Simplify right side
1,475,798.86x = 2,522,134,823,049.13 - Step 5: Solve for x
x = 2,522,134,823,049.13/1,475,798.86 - Step 6: Final answer
x = 1,708,996.32
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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.