Home / 1,852,909.40-2,775,216.90-1,521,133.40

Finding the Fourth Proportional to 1,852,909.40, 2,775,216.90 and 1,521,133.40

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Solution

The fourth proportional to 1,852,909.40, 2,775,216.90 and 1,521,133.40 is: 2,278,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852,909.40 : 2,775,216.90 = 1,521,133.40 : x
  2. Step 2: Convert to fraction form
    1,852,909.40/2,775,216.90 = 1,521,133.40/x
  3. Step 3: Cross multiply
    1,852,909.40x = 2,775,216.90 × 1,521,133.40
  4. Step 4: Simplify right side
    1,852,909.40x = 4,221,475,118,834.46
  5. Step 5: Solve for x
    x = 4,221,475,118,834.46/1,852,909.40
  6. Step 6: Final answer
    x = 2,278,295.48

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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.