Finding the Fourth Proportional to 3,009,881.84, 4,153,362.68 and 1,785,976.49
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Solution
The fourth proportional to 3,009,881.84, 4,153,362.68 and 1,785,976.49 is: 2,464,484.83
Step by Step Solution
- Step 1: Write the proportion equation
3,009,881.84 : 4,153,362.68 = 1,785,976.49 : x - Step 2: Convert to fraction form
3,009,881.84/4,153,362.68 = 1,785,976.49/x - Step 3: Cross multiply
3,009,881.84x = 4,153,362.68 × 1,785,976.49 - Step 4: Simplify right side
3,009,881.84x = 7,417,808,115,771.74 - Step 5: Solve for x
x = 7,417,808,115,771.74/3,009,881.84 - Step 6: Final answer
x = 2,464,484.83
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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.