Home / 2,130,234.42-2,938,831.67-1,302,681.15

Finding the Fourth Proportional to 2,130,234.42, 2,938,831.67 and 1,302,681.15

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Solution

The fourth proportional to 2,130,234.42, 2,938,831.67 and 1,302,681.15 is: 1,797,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,234.42 : 2,938,831.67 = 1,302,681.15 : x
  2. Step 2: Convert to fraction form
    2,130,234.42/2,938,831.67 = 1,302,681.15/x
  3. Step 3: Cross multiply
    2,130,234.42x = 2,938,831.67 × 1,302,681.15
  4. Step 4: Simplify right side
    2,130,234.42x = 3,828,360,622,788.72
  5. Step 5: Solve for x
    x = 3,828,360,622,788.72/2,130,234.42
  6. Step 6: Final answer
    x = 1,797,154.61

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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.