Finding the Fourth Proportional to 1,909,490.96, 2,864,240.12 and 489,552.08
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Solution
The fourth proportional to 1,909,490.96, 2,864,240.12 and 489,552.08 is: 734,329.06
Step by Step Solution
- Step 1: Write the proportion equation
1,909,490.96 : 2,864,240.12 = 489,552.08 : x - Step 2: Convert to fraction form
1,909,490.96/2,864,240.12 = 489,552.08/x - Step 3: Cross multiply
1,909,490.96x = 2,864,240.12 × 489,552.08 - Step 4: Simplify right side
1,909,490.96x = 1,402,194,708,365.45 - Step 5: Solve for x
x = 1,402,194,708,365.45/1,909,490.96 - Step 6: Final answer
x = 734,329.06
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1.5x scale
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.