Finding the Fourth Proportional to 5,031,723.70, 6,943,861.65 and 2,739,929.14
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Solution
The fourth proportional to 5,031,723.70, 6,943,861.65 and 2,739,929.14 is: 3,781,147.38
Step by Step Solution
- Step 1: Write the proportion equation
5,031,723.70 : 6,943,861.65 = 2,739,929.14 : x - Step 2: Convert to fraction form
5,031,723.70/6,943,861.65 = 2,739,929.14/x - Step 3: Cross multiply
5,031,723.70x = 6,943,861.65 × 2,739,929.14 - Step 4: Simplify right side
5,031,723.70x = 19,025,688,878,963.48 - Step 5: Solve for x
x = 19,025,688,878,963.48/5,031,723.70 - Step 6: Final answer
x = 3,781,147.38
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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.