Finding the Fourth Proportional to 1,688,909.40, 2,533,530.42 and 490,842.18
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Solution
The fourth proportional to 1,688,909.40, 2,533,530.42 and 490,842.18 is: 736,311.61
Step by Step Solution
- Step 1: Write the proportion equation
1,688,909.40 : 2,533,530.42 = 490,842.18 : x - Step 2: Convert to fraction form
1,688,909.40/2,533,530.42 = 490,842.18/x - Step 3: Cross multiply
1,688,909.40x = 2,533,530.42 × 490,842.18 - Step 4: Simplify right side
1,688,909.40x = 1,243,563,594,449.12 - Step 5: Solve for x
x = 1,243,563,594,449.12/1,688,909.40 - Step 6: Final answer
x = 736,311.61
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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.