Finding the Fourth Proportional to 2,087,496.84, 2,880,746.07 and 1,271,700.28
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Solution
The fourth proportional to 2,087,496.84, 2,880,746.07 and 1,271,700.28 is: 1,754,946.65
Step by Step Solution
- Step 1: Write the proportion equation
2,087,496.84 : 2,880,746.07 = 1,271,700.28 : x - Step 2: Convert to fraction form
2,087,496.84/2,880,746.07 = 1,271,700.28/x - Step 3: Cross multiply
2,087,496.84x = 2,880,746.07 × 1,271,700.28 - Step 4: Simplify right side
2,087,496.84x = 3,663,445,582,659.96 - Step 5: Solve for x
x = 3,663,445,582,659.96/2,087,496.84 - Step 6: Final answer
x = 1,754,946.65
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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.