Finding the Fourth Proportional to 1,622,848.12, 2,238,986.50 and 934,505.19
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Solution
The fourth proportional to 1,622,848.12, 2,238,986.50 and 934,505.19 is: 1,289,303.96
Step by Step Solution
- Step 1: Write the proportion equation
1,622,848.12 : 2,238,986.50 = 934,505.19 : x - Step 2: Convert to fraction form
1,622,848.12/2,238,986.50 = 934,505.19/x - Step 3: Cross multiply
1,622,848.12x = 2,238,986.50 × 934,505.19 - Step 4: Simplify right side
1,622,848.12x = 2,092,344,502,253.67 - Step 5: Solve for x
x = 2,092,344,502,253.67/1,622,848.12 - Step 6: Final answer
x = 1,289,303.96
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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.