Finding the Fourth Proportional to 2,225,091.19, 3,070,686.21 and 1,258,366.06
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Solution
The fourth proportional to 2,225,091.19, 3,070,686.21 and 1,258,366.06 is: 1,736,579.30
Step by Step Solution
- Step 1: Write the proportion equation
2,225,091.19 : 3,070,686.21 = 1,258,366.06 : x - Step 2: Convert to fraction form
2,225,091.19/3,070,686.21 = 1,258,366.06/x - Step 3: Cross multiply
2,225,091.19x = 3,070,686.21 × 1,258,366.06 - Step 4: Simplify right side
2,225,091.19x = 3,864,047,307,574.03 - Step 5: Solve for x
x = 3,864,047,307,574.03/2,225,091.19 - Step 6: Final answer
x = 1,736,579.30
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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.