Finding the Fourth Proportional to 2,838,276.40, 4,258,661.16 and 1,490,125.84
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Solution
The fourth proportional to 2,838,276.40, 4,258,661.16 and 1,490,125.84 is: 2,235,843.22
Step by Step Solution
- Step 1: Write the proportion equation
2,838,276.40 : 4,258,661.16 = 1,490,125.84 : x - Step 2: Convert to fraction form
2,838,276.40/4,258,661.16 = 1,490,125.84/x - Step 3: Cross multiply
2,838,276.40x = 4,258,661.16 × 1,490,125.84 - Step 4: Simplify right side
2,838,276.40x = 6,345,941,038,320.38 - Step 5: Solve for x
x = 6,345,941,038,320.38/2,838,276.40 - Step 6: Final answer
x = 2,235,843.22
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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.