Finding the Fourth Proportional to 1,497,711.60, 2,241,901.80 and 864,745.20
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Solution
The fourth proportional to 1,497,711.60, 2,241,901.80 and 864,745.20 is: 1,294,423.99
Step by Step Solution
- Step 1: Write the proportion equation
1,497,711.60 : 2,241,901.80 = 864,745.20 : x - Step 2: Convert to fraction form
1,497,711.60/2,241,901.80 = 864,745.20/x - Step 3: Cross multiply
1,497,711.60x = 2,241,901.80 × 864,745.20 - Step 4: Simplify right side
1,497,711.60x = 1,938,673,820,421.36 - Step 5: Solve for x
x = 1,938,673,820,421.36/1,497,711.60 - Step 6: Final answer
x = 1,294,423.99
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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.