Finding the Fourth Proportional to 5,620,398.64, 7,756,338.12 and 3,444,521.34
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Solution
The fourth proportional to 5,620,398.64, 7,756,338.12 and 3,444,521.34 is: 4,753,554.67
Step by Step Solution
- Step 1: Write the proportion equation
5,620,398.64 : 7,756,338.12 = 3,444,521.34 : x - Step 2: Convert to fraction form
5,620,398.64/7,756,338.12 = 3,444,521.34/x - Step 3: Cross multiply
5,620,398.64x = 7,756,338.12 × 3,444,521.34 - Step 4: Simplify right side
5,620,398.64x = 26,716,872,174,595.48 - Step 5: Solve for x
x = 26,716,872,174,595.48/5,620,398.64 - Step 6: Final answer
x = 4,753,554.67
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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.