Finding the Fourth Proportional to 1,918,660.14, 2,877,760.98 and 1,492,621.20
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Solution
The fourth proportional to 1,918,660.14, 2,877,760.98 and 1,492,621.20 is: 2,238,753.47
Step by Step Solution
- Step 1: Write the proportion equation
1,918,660.14 : 2,877,760.98 = 1,492,621.20 : x - Step 2: Convert to fraction form
1,918,660.14/2,877,760.98 = 1,492,621.20/x - Step 3: Cross multiply
1,918,660.14x = 2,877,760.98 × 1,492,621.20 - Step 4: Simplify right side
1,918,660.14x = 4,295,407,047,280.78 - Step 5: Solve for x
x = 4,295,407,047,280.78/1,918,660.14 - Step 6: Final answer
x = 2,238,753.47
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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.