Finding the Fourth Proportional to 2,051,258.40, 2,830,695.12 and 1,246,701.60
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Solution
The fourth proportional to 2,051,258.40, 2,830,695.12 and 1,246,701.60 is: 1,720,423.00
Step by Step Solution
- Step 1: Write the proportion equation
2,051,258.40 : 2,830,695.12 = 1,246,701.60 : x - Step 2: Convert to fraction form
2,051,258.40/2,830,695.12 = 1,246,701.60/x - Step 3: Cross multiply
2,051,258.40x = 2,830,695.12 × 1,246,701.60 - Step 4: Simplify right side
2,051,258.40x = 3,529,032,135,216.19 - Step 5: Solve for x
x = 3,529,032,135,216.19/2,051,258.40 - Step 6: Final answer
x = 1,720,423.00
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1.5x scale
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.