Finding the Fourth Proportional to 2,912,355.84, 4,370,502.06 and 1,019,113.68
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Solution
The fourth proportional to 2,912,355.84, 4,370,502.06 and 1,019,113.68 is: 1,529,359.28
Step by Step Solution
- Step 1: Write the proportion equation
2,912,355.84 : 4,370,502.06 = 1,019,113.68 : x - Step 2: Convert to fraction form
2,912,355.84/4,370,502.06 = 1,019,113.68/x - Step 3: Cross multiply
2,912,355.84x = 4,370,502.06 × 1,019,113.68 - Step 4: Simplify right side
2,912,355.84x = 4,454,038,437,814.18 - Step 5: Solve for x
x = 4,454,038,437,814.18/2,912,355.84 - Step 6: Final answer
x = 1,529,359.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.