Finding the Fourth Proportional to 6,909,355.81, 10,363,659.80 and 2,117,058.95
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Solution
The fourth proportional to 6,909,355.81, 10,363,659.80 and 2,117,058.95 is: 3,175,473.86
Step by Step Solution
- Step 1: Write the proportion equation
6,909,355.81 : 10,363,659.80 = 2,117,058.95 : x - Step 2: Convert to fraction form
6,909,355.81/10,363,659.80 = 2,117,058.95/x - Step 3: Cross multiply
6,909,355.81x = 10,363,659.80 × 2,117,058.95 - Step 4: Simplify right side
6,909,355.81x = 21,940,478,734,345.21 - Step 5: Solve for x
x = 21,940,478,734,345.21/6,909,355.81 - Step 6: Final answer
x = 3,175,473.86
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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.