Finding the Fourth Proportional to 2,290,601.65, 3,161,068.35 and 1,258,204.90
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Solution
The fourth proportional to 2,290,601.65, 3,161,068.35 and 1,258,204.90 is: 1,736,343.67
Step by Step Solution
- Step 1: Write the proportion equation
2,290,601.65 : 3,161,068.35 = 1,258,204.90 : x - Step 2: Convert to fraction form
2,290,601.65/3,161,068.35 = 1,258,204.90/x - Step 3: Cross multiply
2,290,601.65x = 3,161,068.35 × 1,258,204.90 - Step 4: Simplify right side
2,290,601.65x = 3,977,271,671,399.57 - Step 5: Solve for x
x = 3,977,271,671,399.57/2,290,601.65 - Step 6: Final answer
x = 1,736,343.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.