Finding the Fourth Proportional to 1,989,970.23, 2,746,256.27 and 1,119,079.02
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Solution
The fourth proportional to 1,989,970.23, 2,746,256.27 and 1,119,079.02 is: 1,544,383.79
Step by Step Solution
- Step 1: Write the proportion equation
1,989,970.23 : 2,746,256.27 = 1,119,079.02 : x - Step 2: Convert to fraction form
1,989,970.23/2,746,256.27 = 1,119,079.02/x - Step 3: Cross multiply
1,989,970.23x = 2,746,256.27 × 1,119,079.02 - Step 4: Simplify right side
1,989,970.23x = 3,073,277,769,705.06 - Step 5: Solve for x
x = 3,073,277,769,705.06/1,989,970.23 - Step 6: Final answer
x = 1,544,383.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.