Finding the Fourth Proportional to 1,779,934.78, 2,670,026.70 and 881,135.20
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Solution
The fourth proportional to 1,779,934.78, 2,670,026.70 and 881,135.20 is: 1,321,764.45
Step by Step Solution
- Step 1: Write the proportion equation
1,779,934.78 : 2,670,026.70 = 881,135.20 : x - Step 2: Convert to fraction form
1,779,934.78/2,670,026.70 = 881,135.20/x - Step 3: Cross multiply
1,779,934.78x = 2,670,026.70 × 881,135.20 - Step 4: Simplify right side
1,779,934.78x = 2,352,654,510,309.84 - Step 5: Solve for x
x = 2,352,654,510,309.84/1,779,934.78 - Step 6: Final answer
x = 1,321,764.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.