Finding the Fourth Proportional to 2,122,117.04, 2,928,558.84 and 1,155,275.12
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Solution
The fourth proportional to 2,122,117.04, 2,928,558.84 and 1,155,275.12 is: 1,594,299.99
Step by Step Solution
- Step 1: Write the proportion equation
2,122,117.04 : 2,928,558.84 = 1,155,275.12 : x - Step 2: Convert to fraction form
2,122,117.04/2,928,558.84 = 1,155,275.12/x - Step 3: Cross multiply
2,122,117.04x = 2,928,558.84 × 1,155,275.12 - Step 4: Simplify right side
2,122,117.04x = 3,383,291,165,308.06 - Step 5: Solve for x
x = 3,383,291,165,308.06/2,122,117.04 - Step 6: Final answer
x = 1,594,299.99
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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.