Finding the Fourth Proportional to 4,230,552.33, 6,344,480.66 and 1,390,005.45
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Solution
The fourth proportional to 4,230,552.33, 6,344,480.66 and 1,390,005.45 is: 2,084,565.32
Step by Step Solution
- Step 1: Write the proportion equation
4,230,552.33 : 6,344,480.66 = 1,390,005.45 : x - Step 2: Convert to fraction form
4,230,552.33/6,344,480.66 = 1,390,005.45/x - Step 3: Cross multiply
4,230,552.33x = 6,344,480.66 × 1,390,005.45 - Step 4: Simplify right side
4,230,552.33x = 8,818,862,687,869.57 - Step 5: Solve for x
x = 8,818,862,687,869.57/4,230,552.33 - Step 6: Final answer
x = 2,084,565.32
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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.