Home / 3,402,275.40-5,105,381.40-1,272,574.80

Finding the Fourth Proportional to 3,402,275.40, 5,105,381.40 and 1,272,574.80

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Solution

The fourth proportional to 3,402,275.40, 5,105,381.40 and 1,272,574.80 is: 1,909,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402,275.40 : 5,105,381.40 = 1,272,574.80 : x
  2. Step 2: Convert to fraction form
    3,402,275.40/5,105,381.40 = 1,272,574.80/x
  3. Step 3: Cross multiply
    3,402,275.40x = 5,105,381.40 × 1,272,574.80
  4. Step 4: Simplify right side
    3,402,275.40x = 6,496,979,714,028.72
  5. Step 5: Solve for x
    x = 6,496,979,714,028.72/3,402,275.40
  6. Step 6: Final answer
    x = 1,909,598.42

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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.