Finding the Fourth Proportional to 1,888,390.79, 2,833,423.43 and 989,618.84
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Solution
The fourth proportional to 1,888,390.79, 2,833,423.43 and 989,618.84 is: 1,484,867.02
Step by Step Solution
- Step 1: Write the proportion equation
1,888,390.79 : 2,833,423.43 = 989,618.84 : x - Step 2: Convert to fraction form
1,888,390.79/2,833,423.43 = 989,618.84/x - Step 3: Cross multiply
1,888,390.79x = 2,833,423.43 × 989,618.84 - Step 4: Simplify right side
1,888,390.79x = 2,804,009,210,160.89 - Step 5: Solve for x
x = 2,804,009,210,160.89/1,888,390.79 - Step 6: Final answer
x = 1,484,867.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.