Home / 3,462,461.42-4,778,444.10-1,913,689.78

Finding the Fourth Proportional to 3,462,461.42, 4,778,444.10 and 1,913,689.78

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Solution

The fourth proportional to 3,462,461.42, 4,778,444.10 and 1,913,689.78 is: 2,641,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,461.42 : 4,778,444.10 = 1,913,689.78 : x
  2. Step 2: Convert to fraction form
    3,462,461.42/4,778,444.10 = 1,913,689.78/x
  3. Step 3: Cross multiply
    3,462,461.42x = 4,778,444.10 × 1,913,689.78
  4. Step 4: Simplify right side
    3,462,461.42x = 9,144,459,633,701.52
  5. Step 5: Solve for x
    x = 9,144,459,633,701.52/3,462,461.42
  6. Step 6: Final answer
    x = 2,641,028.60

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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.