Home / 2,556,800.48-3,830,476.80-1,291,606.40

Finding the Fourth Proportional to 2,556,800.48, 3,830,476.80 and 1,291,606.40

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Solution

The fourth proportional to 2,556,800.48, 3,830,476.80 and 1,291,606.40 is: 1,935,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,800.48 : 3,830,476.80 = 1,291,606.40 : x
  2. Step 2: Convert to fraction form
    2,556,800.48/3,830,476.80 = 1,291,606.40/x
  3. Step 3: Cross multiply
    2,556,800.48x = 3,830,476.80 × 1,291,606.40
  4. Step 4: Simplify right side
    2,556,800.48x = 4,947,468,349,931.52
  5. Step 5: Solve for x
    x = 4,947,468,349,931.52/2,556,800.48
  6. Step 6: Final answer
    x = 1,935,023.24

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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.