Finding the Fourth Proportional to 2,688,612.18, 3,710,238.19 and 1,464,927.67
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Solution
The fourth proportional to 2,688,612.18, 3,710,238.19 and 1,464,927.67 is: 2,021,574.78
Step by Step Solution
- Step 1: Write the proportion equation
2,688,612.18 : 3,710,238.19 = 1,464,927.67 : x - Step 2: Convert to fraction form
2,688,612.18/3,710,238.19 = 1,464,927.67/x - Step 3: Cross multiply
2,688,612.18x = 3,710,238.19 × 1,464,927.67 - Step 4: Simplify right side
2,688,612.18x = 5,435,230,586,821.72 - Step 5: Solve for x
x = 5,435,230,586,821.72/2,688,612.18 - Step 6: Final answer
x = 2,021,574.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.