Finding the Fourth Proportional to 2,069,360.79, 2,855,697.24 and 1,151,574.21
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Solution
The fourth proportional to 2,069,360.79, 2,855,697.24 and 1,151,574.21 is: 1,589,160.92
Step by Step Solution
- Step 1: Write the proportion equation
2,069,360.79 : 2,855,697.24 = 1,151,574.21 : x - Step 2: Convert to fraction form
2,069,360.79/2,855,697.24 = 1,151,574.21/x - Step 3: Cross multiply
2,069,360.79x = 2,855,697.24 × 1,151,574.21 - Step 4: Simplify right side
2,069,360.79x = 3,288,547,293,152.18 - Step 5: Solve for x
x = 3,288,547,293,152.18/2,069,360.79 - Step 6: Final answer
x = 1,589,160.92
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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.