Finding the Fourth Proportional to 4,658,747.16, 6,988,118.58 and 1,292,953.08
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Solution
The fourth proportional to 4,658,747.16, 6,988,118.58 and 1,292,953.08 is: 1,939,429.02
Step by Step Solution
- Step 1: Write the proportion equation
4,658,747.16 : 6,988,118.58 = 1,292,953.08 : x - Step 2: Convert to fraction form
4,658,747.16/6,988,118.58 = 1,292,953.08/x - Step 3: Cross multiply
4,658,747.16x = 6,988,118.58 × 1,292,953.08 - Step 4: Simplify right side
4,658,747.16x = 9,035,309,441,416.23 - Step 5: Solve for x
x = 9,035,309,441,416.23/4,658,747.16 - Step 6: Final answer
x = 1,939,429.02
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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.