Finding the Fourth Proportional to 1,583,392.69, 2,185,319.69 and 1,246,398.13
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Solution
The fourth proportional to 1,583,392.69, 2,185,319.69 and 1,246,398.13 is: 1,720,216.59
Step by Step Solution
- Step 1: Write the proportion equation
1,583,392.69 : 2,185,319.69 = 1,246,398.13 : x - Step 2: Convert to fraction form
1,583,392.69/2,185,319.69 = 1,246,398.13/x - Step 3: Cross multiply
1,583,392.69x = 2,185,319.69 × 1,246,398.13 - Step 4: Simplify right side
1,583,392.69x = 2,723,778,375,068.18 - Step 5: Solve for x
x = 2,723,778,375,068.18/1,583,392.69 - Step 6: Final answer
x = 1,720,216.59
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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.