Finding the Fourth Proportional to 2,997,437.15, 4,136,486.58 and 1,654,831.08
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Solution
The fourth proportional to 2,997,437.15, 4,136,486.58 and 1,654,831.08 is: 2,283,679.76
Step by Step Solution
- Step 1: Write the proportion equation
2,997,437.15 : 4,136,486.58 = 1,654,831.08 : x - Step 2: Convert to fraction form
2,997,437.15/4,136,486.58 = 1,654,831.08/x - Step 3: Cross multiply
2,997,437.15x = 4,136,486.58 × 1,654,831.08 - Step 4: Simplify right side
2,997,437.15x = 6,845,186,554,586.91 - Step 5: Solve for x
x = 6,845,186,554,586.91/2,997,437.15 - Step 6: Final answer
x = 2,283,679.76
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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.