Finding the Fourth Proportional to 4,658,751.16, 6,988,124.58 and 1,292,957.08
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Solution
The fourth proportional to 4,658,751.16, 6,988,124.58 and 1,292,957.08 is: 1,939,435.02
Step by Step Solution
- Step 1: Write the proportion equation
4,658,751.16 : 6,988,124.58 = 1,292,957.08 : x - Step 2: Convert to fraction form
4,658,751.16/6,988,124.58 = 1,292,957.08/x - Step 3: Cross multiply
4,658,751.16x = 6,988,124.58 × 1,292,957.08 - Step 4: Simplify right side
4,658,751.16x = 9,035,345,151,633.03 - Step 5: Solve for x
x = 9,035,345,151,633.03/4,658,751.16 - Step 6: Final answer
x = 1,939,435.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.