Finding the Fourth Proportional to 2,535,484.35, 3,498,948.30 and 1,389,561.96
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Solution
The fourth proportional to 2,535,484.35, 3,498,948.30 and 1,389,561.96 is: 1,917,584.49
Step by Step Solution
- Step 1: Write the proportion equation
2,535,484.35 : 3,498,948.30 = 1,389,561.96 : x - Step 2: Convert to fraction form
2,535,484.35/3,498,948.30 = 1,389,561.96/x - Step 3: Cross multiply
2,535,484.35x = 3,498,948.30 × 1,389,561.96 - Step 4: Simplify right side
2,535,484.35x = 4,862,005,457,686.67 - Step 5: Solve for x
x = 4,862,005,457,686.67/2,535,484.35 - Step 6: Final answer
x = 1,917,584.49
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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.