Finding the Fourth Proportional to 1,440,345.12, 1,987,641.36 and 795,827.04
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Solution
The fourth proportional to 1,440,345.12, 1,987,641.36 and 795,827.04 is: 1,098,222.03
Step by Step Solution
- Step 1: Write the proportion equation
1,440,345.12 : 1,987,641.36 = 795,827.04 : x - Step 2: Convert to fraction form
1,440,345.12/1,987,641.36 = 795,827.04/x - Step 3: Cross multiply
1,440,345.12x = 1,987,641.36 × 795,827.04 - Step 4: Simplify right side
1,440,345.12x = 1,581,818,740,110.37 - Step 5: Solve for x
x = 1,581,818,740,110.37/1,440,345.12 - Step 6: Final answer
x = 1,098,222.03
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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.