Finding the Fourth Proportional to 2,111,399.84, 3,166,612.68 and 1,258,710.68
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Solution
The fourth proportional to 2,111,399.84, 3,166,612.68 and 1,258,710.68 is: 1,887,775.65
Step by Step Solution
- Step 1: Write the proportion equation
2,111,399.84 : 3,166,612.68 = 1,258,710.68 : x - Step 2: Convert to fraction form
2,111,399.84/3,166,612.68 = 1,258,710.68/x - Step 3: Cross multiply
2,111,399.84x = 3,166,612.68 × 1,258,710.68 - Step 4: Simplify right side
2,111,399.84x = 3,985,849,199,739.42 - Step 5: Solve for x
x = 3,985,849,199,739.42/2,111,399.84 - Step 6: Final answer
x = 1,887,775.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.