Finding the Fourth Proportional to 5,430,070.90, 8,146,027.95 and 1,643,523.70
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Solution
The fourth proportional to 5,430,070.90, 8,146,027.95 and 1,643,523.70 is: 2,465,564.49
Step by Step Solution
- Step 1: Write the proportion equation
5,430,070.90 : 8,146,027.95 = 1,643,523.70 : x - Step 2: Convert to fraction form
5,430,070.90/8,146,027.95 = 1,643,523.70/x - Step 3: Cross multiply
5,430,070.90x = 8,146,027.95 × 1,643,523.70 - Step 4: Simplify right side
5,430,070.90x = 13,388,189,996,687.41 - Step 5: Solve for x
x = 13,388,189,996,687.41/5,430,070.90 - Step 6: Final answer
x = 2,465,564.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.