Finding the Fourth Proportional to 1,316,263.68, 1,963,165.44 and 1,293,518.72
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Solution
The fourth proportional to 1,316,263.68, 1,963,165.44 and 1,293,518.72 is: 1,929,242.06
Step by Step Solution
- Step 1: Write the proportion equation
1,316,263.68 : 1,963,165.44 = 1,293,518.72 : x - Step 2: Convert to fraction form
1,316,263.68/1,963,165.44 = 1,293,518.72/x - Step 3: Cross multiply
1,316,263.68x = 1,963,165.44 × 1,293,518.72 - Step 4: Simplify right side
1,316,263.68x = 2,539,391,247,097.04 - Step 5: Solve for x
x = 2,539,391,247,097.04/1,316,263.68 - Step 6: Final answer
x = 1,929,242.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.