Finding the Fourth Proportional to 1,560,259.40, 2,152,351.04 and 987,631.79
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Solution
The fourth proportional to 1,560,259.40, 2,152,351.04 and 987,631.79 is: 1,362,421.08
Step by Step Solution
- Step 1: Write the proportion equation
1,560,259.40 : 2,152,351.04 = 987,631.79 : x - Step 2: Convert to fraction form
1,560,259.40/2,152,351.04 = 987,631.79/x - Step 3: Cross multiply
1,560,259.40x = 2,152,351.04 × 987,631.79 - Step 4: Simplify right side
1,560,259.40x = 2,125,730,294,643.65 - Step 5: Solve for x
x = 2,125,730,294,643.65/1,560,259.40 - Step 6: Final answer
x = 1,362,421.08
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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.