Home / 1,932,461.33-2,885,678.65-1,578,178.13

Finding the Fourth Proportional to 1,932,461.33, 2,885,678.65 and 1,578,178.13

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Solution

The fourth proportional to 1,932,461.33, 2,885,678.65 and 1,578,178.13 is: 2,356,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,461.33 : 2,885,678.65 = 1,578,178.13 : x
  2. Step 2: Convert to fraction form
    1,932,461.33/2,885,678.65 = 1,578,178.13/x
  3. Step 3: Cross multiply
    1,932,461.33x = 2,885,678.65 × 1,578,178.13
  4. Step 4: Simplify right side
    1,932,461.33x = 4,554,114,927,747.03
  5. Step 5: Solve for x
    x = 4,554,114,927,747.03/1,932,461.33
  6. Step 6: Final answer
    x = 2,356,639.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.