Finding the Fourth Proportional to 5,122,764, 7,069,483.44 and 2,830,978.08
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Solution
The fourth proportional to 5,122,764, 7,069,483.44 and 2,830,978.08 is: 3,906,787.95
Step by Step Solution
- Step 1: Write the proportion equation
5,122,764 : 7,069,483.44 = 2,830,978.08 : x - Step 2: Convert to fraction form
5,122,764/7,069,483.44 = 2,830,978.08/x - Step 3: Cross multiply
5,122,764x = 7,069,483.44 × 2,830,978.08 - Step 4: Simplify right side
5,122,764x = 20,013,552,655,563.00 - Step 5: Solve for x
x = 20,013,552,655,563.00/5,122,764 - Step 6: Final answer
x = 3,906,787.95
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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.