Finding the Fourth Proportional to 1,506,454.59, 2,078,900.24 and 818,121.63
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Solution
The fourth proportional to 1,506,454.59, 2,078,900.24 and 818,121.63 is: 1,129,003.99
Step by Step Solution
- Step 1: Write the proportion equation
1,506,454.59 : 2,078,900.24 = 818,121.63 : x - Step 2: Convert to fraction form
1,506,454.59/2,078,900.24 = 818,121.63/x - Step 3: Cross multiply
1,506,454.59x = 2,078,900.24 × 818,121.63 - Step 4: Simplify right side
1,506,454.59x = 1,700,793,248,865.58 - Step 5: Solve for x
x = 1,700,793,248,865.58/1,506,454.59 - Step 6: Final answer
x = 1,129,003.99
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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.