Finding the Fourth Proportional to 5,340,135.08, 7,369,421.54 and 2,892,746.00
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Solution
The fourth proportional to 5,340,135.08, 7,369,421.54 and 2,892,746.00 is: 3,992,008.51
Step by Step Solution
- Step 1: Write the proportion equation
5,340,135.08 : 7,369,421.54 = 2,892,746.00 : x - Step 2: Convert to fraction form
5,340,135.08/7,369,421.54 = 2,892,746.00/x - Step 3: Cross multiply
5,340,135.08x = 7,369,421.54 × 2,892,746.00 - Step 4: Simplify right side
5,340,135.08x = 21,317,864,652,533.60 - Step 5: Solve for x
x = 21,317,864,652,533.60/5,340,135.08 - Step 6: Final answer
x = 3,992,008.51
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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.