Finding the Fourth Proportional to 6,221,848.40, 8,586,148.84 and 3,360,280.40
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Solution
The fourth proportional to 6,221,848.40, 8,586,148.84 and 3,360,280.40 is: 4,637,185.90
Step by Step Solution
- Step 1: Write the proportion equation
6,221,848.40 : 8,586,148.84 = 3,360,280.40 : x - Step 2: Convert to fraction form
6,221,848.40/8,586,148.84 = 3,360,280.40/x - Step 3: Cross multiply
6,221,848.40x = 8,586,148.84 × 3,360,280.40 - Step 4: Simplify right side
6,221,848.40x = 28,851,867,658,534.73 - Step 5: Solve for x
x = 28,851,867,658,534.73/6,221,848.40 - Step 6: Final answer
x = 4,637,185.90
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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.