Finding the Fourth Proportional to 5,070,574.52, 6,997,447.98 and 2,778,686
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Solution
The fourth proportional to 5,070,574.52, 6,997,447.98 and 2,778,686 is: 3,834,616.90
Step by Step Solution
- Step 1: Write the proportion equation
5,070,574.52 : 6,997,447.98 = 2,778,686 : x - Step 2: Convert to fraction form
5,070,574.52/6,997,447.98 = 2,778,686/x - Step 3: Cross multiply
5,070,574.52x = 6,997,447.98 × 2,778,686 - Step 4: Simplify right side
5,070,574.52x = 19,443,710,737,754.28 - Step 5: Solve for x
x = 19,443,710,737,754.28/5,070,574.52 - Step 6: Final answer
x = 3,834,616.90
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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.