Finding the Fourth Proportional to 2,197,427.84, 3,031,126.08 and 1,291,264.64
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Solution
The fourth proportional to 2,197,427.84, 3,031,126.08 and 1,291,264.64 is: 1,781,166.99
Step by Step Solution
- Step 1: Write the proportion equation
2,197,427.84 : 3,031,126.08 = 1,291,264.64 : x - Step 2: Convert to fraction form
2,197,427.84/3,031,126.08 = 1,291,264.64/x - Step 3: Cross multiply
2,197,427.84x = 3,031,126.08 × 1,291,264.64 - Step 4: Simplify right side
2,197,427.84x = 3,913,985,926,485.81 - Step 5: Solve for x
x = 3,913,985,926,485.81/2,197,427.84 - Step 6: Final answer
x = 1,781,166.99
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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.