Finding the Fourth Proportional to 4,447,143.36, 6,134,691.47 and 2,705,345.55
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Solution
The fourth proportional to 4,447,143.36, 6,134,691.47 and 2,705,345.55 is: 3,731,937.32
Step by Step Solution
- Step 1: Write the proportion equation
4,447,143.36 : 6,134,691.47 = 2,705,345.55 : x - Step 2: Convert to fraction form
4,447,143.36/6,134,691.47 = 2,705,345.55/x - Step 3: Cross multiply
4,447,143.36x = 6,134,691.47 × 2,705,345.55 - Step 4: Simplify right side
4,447,143.36x = 16,596,460,255,460.73 - Step 5: Solve for x
x = 16,596,460,255,460.73/4,447,143.36 - Step 6: Final answer
x = 3,731,937.32
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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.