Finding the Fourth Proportional to 1,697,278.12, 2,342,303.94 and 933,389.80
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Solution
The fourth proportional to 1,697,278.12, 2,342,303.94 and 933,389.80 is: 1,288,110.99
Step by Step Solution
- Step 1: Write the proportion equation
1,697,278.12 : 2,342,303.94 = 933,389.80 : x - Step 2: Convert to fraction form
1,697,278.12/2,342,303.94 = 933,389.80/x - Step 3: Cross multiply
1,697,278.12x = 2,342,303.94 × 933,389.80 - Step 4: Simplify right side
1,697,278.12x = 2,186,282,606,095.81 - Step 5: Solve for x
x = 2,186,282,606,095.81/1,697,278.12 - Step 6: Final answer
x = 1,288,110.99
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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.