Finding the Fourth Proportional to 5,781,459.90, 8,668,690.65 and 2,585,990.46
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Solution
The fourth proportional to 5,781,459.90, 8,668,690.65 and 2,585,990.46 is: 3,877,420.53
Step by Step Solution
- Step 1: Write the proportion equation
5,781,459.90 : 8,668,690.65 = 2,585,990.46 : x - Step 2: Convert to fraction form
5,781,459.90/8,668,690.65 = 2,585,990.46/x - Step 3: Cross multiply
5,781,459.90x = 8,668,690.65 × 2,585,990.46 - Step 4: Simplify right side
5,781,459.90x = 22,417,151,321,591.20 - Step 5: Solve for x
x = 22,417,151,321,591.20/5,781,459.90 - Step 6: Final answer
x = 3,877,420.53
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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.