Finding the Fourth Proportional to 2,255,374.84, 3,112,459.98 and 1,236,718.84
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Solution
The fourth proportional to 2,255,374.84, 3,112,459.98 and 1,236,718.84 is: 1,706,695.41
Step by Step Solution
- Step 1: Write the proportion equation
2,255,374.84 : 3,112,459.98 = 1,236,718.84 : x - Step 2: Convert to fraction form
2,255,374.84/3,112,459.98 = 1,236,718.84/x - Step 3: Cross multiply
2,255,374.84x = 3,112,459.98 × 1,236,718.84 - Step 4: Simplify right side
2,255,374.84x = 3,849,237,896,012.02 - Step 5: Solve for x
x = 3,849,237,896,012.02/2,255,374.84 - Step 6: Final answer
x = 1,706,695.41
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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.