Finding the Fourth Proportional to 1,430,137.64, 1,971,972.60 and 913,211.84
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Solution
The fourth proportional to 1,430,137.64, 1,971,972.60 and 913,211.84 is: 1,259,199.59
Step by Step Solution
- Step 1: Write the proportion equation
1,430,137.64 : 1,971,972.60 = 913,211.84 : x - Step 2: Convert to fraction form
1,430,137.64/1,971,972.60 = 913,211.84/x - Step 3: Cross multiply
1,430,137.64x = 1,971,972.60 × 913,211.84 - Step 4: Simplify right side
1,430,137.64x = 1,800,828,726,475.58 - Step 5: Solve for x
x = 1,800,828,726,475.58/1,430,137.64 - Step 6: Final answer
x = 1,259,199.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.