Finding the Fourth Proportional to 1,803,237.92, 2,485,444.88 and 1,439,495.84
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Solution
The fourth proportional to 1,803,237.92, 2,485,444.88 and 1,439,495.84 is: 1,984,090.69
Step by Step Solution
- Step 1: Write the proportion equation
1,803,237.92 : 2,485,444.88 = 1,439,495.84 : x - Step 2: Convert to fraction form
1,803,237.92/2,485,444.88 = 1,439,495.84/x - Step 3: Cross multiply
1,803,237.92x = 2,485,444.88 × 1,439,495.84 - Step 4: Simplify right side
1,803,237.92x = 3,577,787,565,309.30 - Step 5: Solve for x
x = 3,577,787,565,309.30/1,803,237.92 - Step 6: Final answer
x = 1,984,090.69
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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.