Home / 1,556,448-2,147,931.05-877,384.50

Finding the Fourth Proportional to 1,556,448, 2,147,931.05 and 877,384.50

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Solution

The fourth proportional to 1,556,448, 2,147,931.05 and 877,384.50 is: 1,210,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,448 : 2,147,931.05 = 877,384.50 : x
  2. Step 2: Convert to fraction form
    1,556,448/2,147,931.05 = 877,384.50/x
  3. Step 3: Cross multiply
    1,556,448x = 2,147,931.05 × 877,384.50
  4. Step 4: Simplify right side
    1,556,448x = 1,884,561,405,951.80
  5. Step 5: Solve for x
    x = 1,884,561,405,951.80/1,556,448
  6. Step 6: Final answer
    x = 1,210,809.10

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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.