Home / 2,929,827.71-4,042,778.81-1,689,483.86

Finding the Fourth Proportional to 2,929,827.71, 4,042,778.81 and 1,689,483.86

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Solution

The fourth proportional to 2,929,827.71, 4,042,778.81 and 1,689,483.86 is: 2,331,266.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929,827.71 : 4,042,778.81 = 1,689,483.86 : x
  2. Step 2: Convert to fraction form
    2,929,827.71/4,042,778.81 = 1,689,483.86/x
  3. Step 3: Cross multiply
    2,929,827.71x = 4,042,778.81 × 1,689,483.86
  4. Step 4: Simplify right side
    2,929,827.71x = 6,830,209,528,831.11
  5. Step 5: Solve for x
    x = 6,830,209,528,831.11/2,929,827.71
  6. Step 6: Final answer
    x = 2,331,266.62

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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.