Finding the Fourth Proportional to 3,119,875.60, 4,680,688.20 and 1,323,619.60
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Solution
The fourth proportional to 3,119,875.60, 4,680,688.20 and 1,323,619.60 is: 1,985,800.54
Step by Step Solution
- Step 1: Write the proportion equation
3,119,875.60 : 4,680,688.20 = 1,323,619.60 : x - Step 2: Convert to fraction form
3,119,875.60/4,680,688.20 = 1,323,619.60/x - Step 3: Cross multiply
3,119,875.60x = 4,680,688.20 × 1,323,619.60 - Step 4: Simplify right side
3,119,875.60x = 6,195,450,643,008.72 - Step 5: Solve for x
x = 6,195,450,643,008.72/3,119,875.60 - Step 6: Final answer
x = 1,985,800.54
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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.