Finding the Fourth Proportional to 1,417,905.60, 2,128,413.60 and 886,027.20
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Solution
The fourth proportional to 1,417,905.60, 2,128,413.60 and 886,027.20 is: 1,330,012.62
Step by Step Solution
- Step 1: Write the proportion equation
1,417,905.60 : 2,128,413.60 = 886,027.20 : x - Step 2: Convert to fraction form
1,417,905.60/2,128,413.60 = 886,027.20/x - Step 3: Cross multiply
1,417,905.60x = 2,128,413.60 × 886,027.20 - Step 4: Simplify right side
1,417,905.60x = 1,885,832,342,449.92 - Step 5: Solve for x
x = 1,885,832,342,449.92/1,417,905.60 - Step 6: Final answer
x = 1,330,012.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.