Home / 3,480,931.81-4,803,445.42-1,932,071.65

Finding the Fourth Proportional to 3,480,931.81, 4,803,445.42 and 1,932,071.65

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Solution

The fourth proportional to 3,480,931.81, 4,803,445.42 and 1,932,071.65 is: 2,666,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,931.81 : 4,803,445.42 = 1,932,071.65 : x
  2. Step 2: Convert to fraction form
    3,480,931.81/4,803,445.42 = 1,932,071.65/x
  3. Step 3: Cross multiply
    3,480,931.81x = 4,803,445.42 × 1,932,071.65
  4. Step 4: Simplify right side
    3,480,931.81x = 9,280,600,718,304.34
  5. Step 5: Solve for x
    x = 9,280,600,718,304.34/3,480,931.81
  6. Step 6: Final answer
    x = 2,666,125.40

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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.