Finding the Fourth Proportional to 2,913,541.25, 4,371,570.77 and 1,564,128.09
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Solution
The fourth proportional to 2,913,541.25, 4,371,570.77 and 1,564,128.09 is: 2,346,867.97
Step by Step Solution
- Step 1: Write the proportion equation
2,913,541.25 : 4,371,570.77 = 1,564,128.09 : x - Step 2: Convert to fraction form
2,913,541.25/4,371,570.77 = 1,564,128.09/x - Step 3: Cross multiply
2,913,541.25x = 4,371,570.77 × 1,564,128.09 - Step 4: Simplify right side
2,913,541.25x = 6,837,696,630,959.29 - Step 5: Solve for x
x = 6,837,696,630,959.29/2,913,541.25 - Step 6: Final answer
x = 2,346,867.97
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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.