Finding the Fourth Proportional to 1,974,264.88, 2,724,548.58 and 1,211,089.36
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Solution
The fourth proportional to 1,974,264.88, 2,724,548.58 and 1,211,089.36 is: 1,671,341.99
Step by Step Solution
- Step 1: Write the proportion equation
1,974,264.88 : 2,724,548.58 = 1,211,089.36 : x - Step 2: Convert to fraction form
1,974,264.88/2,724,548.58 = 1,211,089.36/x - Step 3: Cross multiply
1,974,264.88x = 2,724,548.58 × 1,211,089.36 - Step 4: Simplify right side
1,974,264.88x = 3,299,671,796,041.11 - Step 5: Solve for x
x = 3,299,671,796,041.11/1,974,264.88 - Step 6: Final answer
x = 1,671,341.99
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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.