Finding the Fourth Proportional to 1,461,762.69, 2,017,276.97 and 817,210.05
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Solution
The fourth proportional to 1,461,762.69, 2,017,276.97 and 817,210.05 is: 1,127,774.72
Step by Step Solution
- Step 1: Write the proportion equation
1,461,762.69 : 2,017,276.97 = 817,210.05 : x - Step 2: Convert to fraction form
1,461,762.69/2,017,276.97 = 817,210.05/x - Step 3: Cross multiply
1,461,762.69x = 2,017,276.97 × 817,210.05 - Step 4: Simplify right side
1,461,762.69x = 1,648,539,009,431.50 - Step 5: Solve for x
x = 1,648,539,009,431.50/1,461,762.69 - Step 6: Final answer
x = 1,127,774.72
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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.