Finding the Fourth Proportional to 1,688,314.86, 2,329,933.14 and 924,373.80
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Solution
The fourth proportional to 1,688,314.86, 2,329,933.14 and 924,373.80 is: 1,275,667.95
Step by Step Solution
- Step 1: Write the proportion equation
1,688,314.86 : 2,329,933.14 = 924,373.80 : x - Step 2: Convert to fraction form
1,688,314.86/2,329,933.14 = 924,373.80/x - Step 3: Cross multiply
1,688,314.86x = 2,329,933.14 × 924,373.80 - Step 4: Simplify right side
1,688,314.86x = 2,153,729,150,367.73 - Step 5: Solve for x
x = 2,153,729,150,367.73/1,688,314.86 - Step 6: Final answer
x = 1,275,667.95
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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.