Finding the Fourth Proportional to 1,418,781.71, 2,129,013.41 and 1,329,012.92
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Solution
The fourth proportional to 1,418,781.71, 2,129,013.41 and 1,329,012.92 is: 1,994,307.02
Step by Step Solution
- Step 1: Write the proportion equation
1,418,781.71 : 2,129,013.41 = 1,329,012.92 : x - Step 2: Convert to fraction form
1,418,781.71/2,129,013.41 = 1,329,012.92/x - Step 3: Cross multiply
1,418,781.71x = 2,129,013.41 × 1,329,012.92 - Step 4: Simplify right side
1,418,781.71x = 2,829,486,311,453.13 - Step 5: Solve for x
x = 2,829,486,311,453.13/1,418,781.71 - Step 6: Final answer
x = 1,994,307.02
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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.