Finding the Fourth Proportional to 1,817,275.48, 2,507,781.36 and 1,043,033.76
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Solution
The fourth proportional to 1,817,275.48, 2,507,781.36 and 1,043,033.76 is: 1,439,352.84
Step by Step Solution
- Step 1: Write the proportion equation
1,817,275.48 : 2,507,781.36 = 1,043,033.76 : x - Step 2: Convert to fraction form
1,817,275.48/2,507,781.36 = 1,043,033.76/x - Step 3: Cross multiply
1,817,275.48x = 2,507,781.36 × 1,043,033.76 - Step 4: Simplify right side
1,817,275.48x = 2,615,700,621,178.71 - Step 5: Solve for x
x = 2,615,700,621,178.71/1,817,275.48 - Step 6: Final answer
x = 1,439,352.84
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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.