Finding the Fourth Proportional to 2,149,206.94, 2,965,788.45 and 1,182,181.12
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Solution
The fourth proportional to 2,149,206.94, 2,965,788.45 and 1,182,181.12 is: 1,631,345.52
Step by Step Solution
- Step 1: Write the proportion equation
2,149,206.94 : 2,965,788.45 = 1,182,181.12 : x - Step 2: Convert to fraction form
2,149,206.94/2,965,788.45 = 1,182,181.12/x - Step 3: Cross multiply
2,149,206.94x = 2,965,788.45 × 1,182,181.12 - Step 4: Simplify right side
2,149,206.94x = 3,506,099,111,504.06 - Step 5: Solve for x
x = 3,506,099,111,504.06/2,149,206.94 - Step 6: Final answer
x = 1,631,345.52
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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.