Finding the Fourth Proportional to 5,434,372.91, 7,499,511.62 and 2,987,210.23
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Solution
The fourth proportional to 5,434,372.91, 7,499,511.62 and 2,987,210.23 is: 4,122,392.45
Step by Step Solution
- Step 1: Write the proportion equation
5,434,372.91 : 7,499,511.62 = 2,987,210.23 : x - Step 2: Convert to fraction form
5,434,372.91/7,499,511.62 = 2,987,210.23/x - Step 3: Cross multiply
5,434,372.91x = 7,499,511.62 × 2,987,210.23 - Step 4: Simplify right side
5,434,372.91x = 22,402,617,831,267.87 - Step 5: Solve for x
x = 22,402,617,831,267.87/5,434,372.91 - Step 6: Final answer
x = 4,122,392.45
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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.