Finding the Fourth Proportional to 5,381,132.06, 7,421,763.18 and 3,447,573.74
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Solution
The fourth proportional to 5,381,132.06, 7,421,763.18 and 3,447,573.74 is: 4,754,961.51
Step by Step Solution
- Step 1: Write the proportion equation
5,381,132.06 : 7,421,763.18 = 3,447,573.74 : x - Step 2: Convert to fraction form
5,381,132.06/7,421,763.18 = 3,447,573.74/x - Step 3: Cross multiply
5,381,132.06x = 7,421,763.18 × 3,447,573.74 - Step 4: Simplify right side
5,381,132.06x = 25,587,075,843,866.89 - Step 5: Solve for x
x = 25,587,075,843,866.89/5,381,132.06 - Step 6: Final answer
x = 4,754,961.51
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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.