Home / 3,149,615.40-4,346,468.10-1,718,831.40

Finding the Fourth Proportional to 3,149,615.40, 4,346,468.10 and 1,718,831.40

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Solution

The fourth proportional to 3,149,615.40, 4,346,468.10 and 1,718,831.40 is: 2,371,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,615.40 : 4,346,468.10 = 1,718,831.40 : x
  2. Step 2: Convert to fraction form
    3,149,615.40/4,346,468.10 = 1,718,831.40/x
  3. Step 3: Cross multiply
    3,149,615.40x = 4,346,468.10 × 1,718,831.40
  4. Step 4: Simplify right side
    3,149,615.40x = 7,470,845,849,378.34
  5. Step 5: Solve for x
    x = 7,470,845,849,378.34/3,149,615.40
  6. Step 6: Final answer
    x = 2,371,986.70

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1.5x scale

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.