Home / 1,681,106.12-2,319,831.93-956,130.20

Finding the Fourth Proportional to 1,681,106.12, 2,319,831.93 and 956,130.20

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Solution

The fourth proportional to 1,681,106.12, 2,319,831.93 and 956,130.20 is: 1,319,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,106.12 : 2,319,831.93 = 956,130.20 : x
  2. Step 2: Convert to fraction form
    1,681,106.12/2,319,831.93 = 956,130.20/x
  3. Step 3: Cross multiply
    1,681,106.12x = 2,319,831.93 × 956,130.20
  4. Step 4: Simplify right side
    1,681,106.12x = 2,218,061,367,197.29
  5. Step 5: Solve for x
    x = 2,218,061,367,197.29/1,681,106.12
  6. Step 6: Final answer
    x = 1,319,405.92

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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.