Finding the Fourth Proportional to 4,405,643.95, 6,609,818.91 and 2,103,075.28
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Solution
The fourth proportional to 4,405,643.95, 6,609,818.91 and 2,103,075.28 is: 3,155,258.78
Step by Step Solution
- Step 1: Write the proportion equation
4,405,643.95 : 6,609,818.91 = 2,103,075.28 : x - Step 2: Convert to fraction form
4,405,643.95/6,609,818.91 = 2,103,075.28/x - Step 3: Cross multiply
4,405,643.95x = 6,609,818.91 × 2,103,075.28 - Step 4: Simplify right side
4,405,643.95x = 13,900,946,754,897.54 - Step 5: Solve for x
x = 13,900,946,754,897.54/4,405,643.95 - Step 6: Final answer
x = 3,155,258.78
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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.