Finding the Fourth Proportional to 2,357,246.80, 3,536,129.40 and 861,662.80
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Solution
The fourth proportional to 2,357,246.80, 3,536,129.40 and 861,662.80 is: 1,292,588.95
Step by Step Solution
- Step 1: Write the proportion equation
2,357,246.80 : 3,536,129.40 = 861,662.80 : x - Step 2: Convert to fraction form
2,357,246.80/3,536,129.40 = 861,662.80/x - Step 3: Cross multiply
2,357,246.80x = 3,536,129.40 × 861,662.80 - Step 4: Simplify right side
2,357,246.80x = 3,046,951,159,966.32 - Step 5: Solve for x
x = 3,046,951,159,966.32/2,357,246.80 - Step 6: Final answer
x = 1,292,588.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.