Home / 2,076,831.54-2,866,064.85-1,218,011.22

Finding the Fourth Proportional to 2,076,831.54, 2,866,064.85 and 1,218,011.22

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Solution

The fourth proportional to 2,076,831.54, 2,866,064.85 and 1,218,011.22 is: 1,680,877.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,831.54 : 2,866,064.85 = 1,218,011.22 : x
  2. Step 2: Convert to fraction form
    2,076,831.54/2,866,064.85 = 1,218,011.22/x
  3. Step 3: Cross multiply
    2,076,831.54x = 2,866,064.85 × 1,218,011.22
  4. Step 4: Simplify right side
    2,076,831.54x = 3,490,899,144,547.62
  5. Step 5: Solve for x
    x = 3,490,899,144,547.62/2,076,831.54
  6. Step 6: Final answer
    x = 1,680,877.37

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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.