Finding the Fourth Proportional to 3,163,162.88, 4,365,173.76 and 1,712,875.52
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Solution
The fourth proportional to 3,163,162.88, 4,365,173.76 and 1,712,875.52 is: 2,363,773.08
Step by Step Solution
- Step 1: Write the proportion equation
3,163,162.88 : 4,365,173.76 = 1,712,875.52 : x - Step 2: Convert to fraction form
3,163,162.88/4,365,173.76 = 1,712,875.52/x - Step 3: Cross multiply
3,163,162.88x = 4,365,173.76 × 1,712,875.52 - Step 4: Simplify right side
3,163,162.88x = 7,476,999,274,050.36 - Step 5: Solve for x
x = 7,476,999,274,050.36/3,163,162.88 - Step 6: Final answer
x = 2,363,773.08
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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.