Home / 1,912,931.52-2,639,853.12-1,148,998.08

Finding the Fourth Proportional to 1,912,931.52, 2,639,853.12 and 1,148,998.08

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Solution

The fourth proportional to 1,912,931.52, 2,639,853.12 and 1,148,998.08 is: 1,585,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,931.52 : 2,639,853.12 = 1,148,998.08 : x
  2. Step 2: Convert to fraction form
    1,912,931.52/2,639,853.12 = 1,148,998.08/x
  3. Step 3: Cross multiply
    1,912,931.52x = 2,639,853.12 × 1,148,998.08
  4. Step 4: Simplify right side
    1,912,931.52x = 3,033,186,166,362.01
  5. Step 5: Solve for x
    x = 3,033,186,166,362.01/1,912,931.52
  6. Step 6: Final answer
    x = 1,585,621.93

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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.