Finding the Fourth Proportional to 1,687,779.18, 2,329,199.55 and 962,744.94
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Solution
The fourth proportional to 1,687,779.18, 2,329,199.55 and 962,744.94 is: 1,328,624.68
Step by Step Solution
- Step 1: Write the proportion equation
1,687,779.18 : 2,329,199.55 = 962,744.94 : x - Step 2: Convert to fraction form
1,687,779.18/2,329,199.55 = 962,744.94/x - Step 3: Cross multiply
1,687,779.18x = 2,329,199.55 × 962,744.94 - Step 4: Simplify right side
1,687,779.18x = 2,242,425,081,012.78 - Step 5: Solve for x
x = 2,242,425,081,012.78/1,687,779.18 - Step 6: Final answer
x = 1,328,624.68
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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.