Finding the Fourth Proportional to 1,913,071.23, 2,639,984.34 and 1,041,886.26
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Solution
The fourth proportional to 1,913,071.23, 2,639,984.34 and 1,041,886.26 is: 1,437,773.65
Step by Step Solution
- Step 1: Write the proportion equation
1,913,071.23 : 2,639,984.34 = 1,041,886.26 : x - Step 2: Convert to fraction form
1,913,071.23/2,639,984.34 = 1,041,886.26/x - Step 3: Cross multiply
1,913,071.23x = 2,639,984.34 × 1,041,886.26 - Step 4: Simplify right side
1,913,071.23x = 2,750,563,410,461.17 - Step 5: Solve for x
x = 2,750,563,410,461.17/1,913,071.23 - Step 6: Final answer
x = 1,437,773.65
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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.