Finding the Fourth Proportional to 4,458,686.88, 6,153,005.52 and 2,421,530.40
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Solution
The fourth proportional to 4,458,686.88, 6,153,005.52 and 2,421,530.40 is: 3,341,721.52
Step by Step Solution
- Step 1: Write the proportion equation
4,458,686.88 : 6,153,005.52 = 2,421,530.40 : x - Step 2: Convert to fraction form
4,458,686.88/6,153,005.52 = 2,421,530.40/x - Step 3: Cross multiply
4,458,686.88x = 6,153,005.52 × 2,421,530.40 - Step 4: Simplify right side
4,458,686.88x = 14,899,689,918,047.81 - Step 5: Solve for x
x = 14,899,689,918,047.81/4,458,686.88 - Step 6: Final answer
x = 3,341,721.52
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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.