Finding the Fourth Proportional to 2,319,958.70, 3,480,266.10 and 722,355.20
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Solution
The fourth proportional to 2,319,958.70, 3,480,266.10 and 722,355.20 is: 1,083,634.94
Step by Step Solution
- Step 1: Write the proportion equation
2,319,958.70 : 3,480,266.10 = 722,355.20 : x - Step 2: Convert to fraction form
2,319,958.70/3,480,266.10 = 722,355.20/x - Step 3: Cross multiply
2,319,958.70x = 3,480,266.10 × 722,355.20 - Step 4: Simplify right side
2,319,958.70x = 2,513,988,314,718.72 - Step 5: Solve for x
x = 2,513,988,314,718.72/2,319,958.70 - Step 6: Final answer
x = 1,083,634.94
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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.