Finding the Fourth Proportional to 1,864,492.47, 2,572,974.14 and 1,048,695.91
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Solution
The fourth proportional to 1,864,492.47, 2,572,974.14 and 1,048,695.91 is: 1,447,186.03
Step by Step Solution
- Step 1: Write the proportion equation
1,864,492.47 : 2,572,974.14 = 1,048,695.91 : x - Step 2: Convert to fraction form
1,864,492.47/2,572,974.14 = 1,048,695.91/x - Step 3: Cross multiply
1,864,492.47x = 2,572,974.14 × 1,048,695.91 - Step 4: Simplify right side
1,864,492.47x = 2,698,267,457,153.77 - Step 5: Solve for x
x = 2,698,267,457,153.77/1,864,492.47 - Step 6: Final answer
x = 1,447,186.03
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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.