Home / 4,013,929.76-5,539,225.98-2,178,387.56

Finding the Fourth Proportional to 4,013,929.76, 5,539,225.98 and 2,178,387.56

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Solution

The fourth proportional to 4,013,929.76, 5,539,225.98 and 2,178,387.56 is: 3,006,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,929.76 : 5,539,225.98 = 2,178,387.56 : x
  2. Step 2: Convert to fraction form
    4,013,929.76/5,539,225.98 = 2,178,387.56/x
  3. Step 3: Cross multiply
    4,013,929.76x = 5,539,225.98 × 2,178,387.56
  4. Step 4: Simplify right side
    4,013,929.76x = 12,066,580,966,860.81
  5. Step 5: Solve for x
    x = 12,066,580,966,860.81/4,013,929.76
  6. Step 6: Final answer
    x = 3,006,176.41

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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.