Finding the Fourth Proportional to 4,251,541.95, 6,378,412.40 and 1,219,129.76
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Solution
The fourth proportional to 4,251,541.95, 6,378,412.40 and 1,219,129.76 is: 1,829,009.92
Step by Step Solution
- Step 1: Write the proportion equation
4,251,541.95 : 6,378,412.40 = 1,219,129.76 : x - Step 2: Convert to fraction form
4,251,541.95/6,378,412.40 = 1,219,129.76/x - Step 3: Cross multiply
4,251,541.95x = 6,378,412.40 × 1,219,129.76 - Step 4: Simplify right side
4,251,541.95x = 7,776,112,397,386.88 - Step 5: Solve for x
x = 7,776,112,397,386.88/4,251,541.95 - Step 6: Final answer
x = 1,829,009.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.