Finding the Fourth Proportional to 6,390,617.06, 8,819,006.68 and 3,490,008.68
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Solution
The fourth proportional to 6,390,617.06, 8,819,006.68 and 3,490,008.68 is: 4,816,187.48
Step by Step Solution
- Step 1: Write the proportion equation
6,390,617.06 : 8,819,006.68 = 3,490,008.68 : x - Step 2: Convert to fraction form
6,390,617.06/8,819,006.68 = 3,490,008.68/x - Step 3: Cross multiply
6,390,617.06x = 8,819,006.68 × 3,490,008.68 - Step 4: Simplify right side
6,390,617.06x = 30,778,409,862,177.98 - Step 5: Solve for x
x = 30,778,409,862,177.98/6,390,617.06 - Step 6: Final answer
x = 4,816,187.48
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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.