Finding the Fourth Proportional to 5,636,232, 7,778,000.16 and 3,221,835.84
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Solution
The fourth proportional to 5,636,232, 7,778,000.16 and 3,221,835.84 is: 4,446,133.46
Step by Step Solution
- Step 1: Write the proportion equation
5,636,232 : 7,778,000.16 = 3,221,835.84 : x - Step 2: Convert to fraction form
5,636,232/7,778,000.16 = 3,221,835.84/x - Step 3: Cross multiply
5,636,232x = 7,778,000.16 × 3,221,835.84 - Step 4: Simplify right side
5,636,232x = 25,059,439,679,013.73 - Step 5: Solve for x
x = 25,059,439,679,013.73/5,636,232 - Step 6: Final answer
x = 4,446,133.46
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1.5x scale
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.