Finding the Fourth Proportional to 3,786,510.07, 5,678,730.60 and 1,357,210.53
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Solution
The fourth proportional to 3,786,510.07, 5,678,730.60 and 1,357,210.53 is: 2,035,444.99
Step by Step Solution
- Step 1: Write the proportion equation
3,786,510.07 : 5,678,730.60 = 1,357,210.53 : x - Step 2: Convert to fraction form
3,786,510.07/5,678,730.60 = 1,357,210.53/x - Step 3: Cross multiply
3,786,510.07x = 5,678,730.60 × 1,357,210.53 - Step 4: Simplify right side
3,786,510.07x = 7,707,232,960,567.17 - Step 5: Solve for x
x = 7,707,232,960,567.17/3,786,510.07 - Step 6: Final answer
x = 2,035,444.99
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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.