Finding the Fourth Proportional to 4,238,510.49, 6,357,985.65 and 1,398,844.08
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Solution
The fourth proportional to 4,238,510.49, 6,357,985.65 and 1,398,844.08 is: 2,098,338.70
Step by Step Solution
- Step 1: Write the proportion equation
4,238,510.49 : 6,357,985.65 = 1,398,844.08 : x - Step 2: Convert to fraction form
4,238,510.49/6,357,985.65 = 1,398,844.08/x - Step 3: Cross multiply
4,238,510.49x = 6,357,985.65 × 1,398,844.08 - Step 4: Simplify right side
4,238,510.49x = 8,893,830,587,227.45 - Step 5: Solve for x
x = 8,893,830,587,227.45/4,238,510.49 - Step 6: Final answer
x = 2,098,338.70
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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.