Finding the Fourth Proportional to 2,219,045.94, 3,062,253.47 and 1,239,000.12
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Solution
The fourth proportional to 2,219,045.94, 3,062,253.47 and 1,239,000.12 is: 1,709,803.45
Step by Step Solution
- Step 1: Write the proportion equation
2,219,045.94 : 3,062,253.47 = 1,239,000.12 : x - Step 2: Convert to fraction form
2,219,045.94/3,062,253.47 = 1,239,000.12/x - Step 3: Cross multiply
2,219,045.94x = 3,062,253.47 × 1,239,000.12 - Step 4: Simplify right side
2,219,045.94x = 3,794,132,410,605.42 - Step 5: Solve for x
x = 3,794,132,410,605.42/2,219,045.94 - Step 6: Final answer
x = 1,709,803.45
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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.