Finding the Fourth Proportional to 1,422,363.12, 2,133,875.16 and 411,444.24
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Solution
The fourth proportional to 1,422,363.12, 2,133,875.16 and 411,444.24 is: 617,261.96
Step by Step Solution
- Step 1: Write the proportion equation
1,422,363.12 : 2,133,875.16 = 411,444.24 : x - Step 2: Convert to fraction form
1,422,363.12/2,133,875.16 = 411,444.24/x - Step 3: Cross multiply
1,422,363.12x = 2,133,875.16 × 411,444.24 - Step 4: Simplify right side
1,422,363.12x = 877,970,643,461.08 - Step 5: Solve for x
x = 877,970,643,461.08/1,422,363.12 - Step 6: Final answer
x = 617,261.96
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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.