Finding the Fourth Proportional to 1,988,847.68, 2,984,572.44 and 1,090,921.53
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Solution
The fourth proportional to 1,988,847.68, 2,984,572.44 and 1,090,921.53 is: 1,637,095.88
Step by Step Solution
- Step 1: Write the proportion equation
1,988,847.68 : 2,984,572.44 = 1,090,921.53 : x - Step 2: Convert to fraction form
1,988,847.68/2,984,572.44 = 1,090,921.53/x - Step 3: Cross multiply
1,988,847.68x = 2,984,572.44 × 1,090,921.53 - Step 4: Simplify right side
1,988,847.68x = 3,255,934,332,640.63 - Step 5: Solve for x
x = 3,255,934,332,640.63/1,988,847.68 - Step 6: Final answer
x = 1,637,095.88
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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.