Finding the Fourth Proportional to 4,877,522.01, 6,730,980.68 and 2,672,394.21
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Solution
The fourth proportional to 4,877,522.01, 6,730,980.68 and 2,672,394.21 is: 3,687,904.18
Step by Step Solution
- Step 1: Write the proportion equation
4,877,522.01 : 6,730,980.68 = 2,672,394.21 : x - Step 2: Convert to fraction form
4,877,522.01/6,730,980.68 = 2,672,394.21/x - Step 3: Cross multiply
4,877,522.01x = 6,730,980.68 × 2,672,394.21 - Step 4: Simplify right side
4,877,522.01x = 17,987,833,796,853.86 - Step 5: Solve for x
x = 17,987,833,796,853.86/4,877,522.01 - Step 6: Final answer
x = 3,687,904.18
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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.