Finding the Fourth Proportional to 5,118,899.99, 7,064,038.68 and 2,827,011.47
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Solution
The fourth proportional to 5,118,899.99, 7,064,038.68 and 2,827,011.47 is: 3,901,251.91
Step by Step Solution
- Step 1: Write the proportion equation
5,118,899.99 : 7,064,038.68 = 2,827,011.47 : x - Step 2: Convert to fraction form
5,118,899.99/7,064,038.68 = 2,827,011.47/x - Step 3: Cross multiply
5,118,899.99x = 7,064,038.68 × 2,827,011.47 - Step 4: Simplify right side
5,118,899.99x = 19,970,118,337,563.46 - Step 5: Solve for x
x = 19,970,118,337,563.46/5,118,899.99 - Step 6: Final answer
x = 3,901,251.91
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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.