Finding the Fourth Proportional to 5,271,378.30, 7,908,363.45 and 1,484,811.90
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Solution
The fourth proportional to 5,271,378.30, 7,908,363.45 and 1,484,811.90 is: 2,227,582.90
Step by Step Solution
- Step 1: Write the proportion equation
5,271,378.30 : 7,908,363.45 = 1,484,811.90 : x - Step 2: Convert to fraction form
5,271,378.30/7,908,363.45 = 1,484,811.90/x - Step 3: Cross multiply
5,271,378.30x = 7,908,363.45 × 1,484,811.90 - Step 4: Simplify right side
5,271,378.30x = 11,742,432,160,085.05 - Step 5: Solve for x
x = 11,742,432,160,085.05/5,271,378.30 - Step 6: Final answer
x = 2,227,582.90
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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.