Home / 2,913,344.86-4,020,628.71-1,690,068.28

Finding the Fourth Proportional to 2,913,344.86, 4,020,628.71 and 1,690,068.28

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Solution

The fourth proportional to 2,913,344.86, 4,020,628.71 and 1,690,068.28 is: 2,332,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,344.86 : 4,020,628.71 = 1,690,068.28 : x
  2. Step 2: Convert to fraction form
    2,913,344.86/4,020,628.71 = 1,690,068.28/x
  3. Step 3: Cross multiply
    2,913,344.86x = 4,020,628.71 × 1,690,068.28
  4. Step 4: Simplify right side
    2,913,344.86x = 6,795,137,048,428.32
  5. Step 5: Solve for x
    x = 6,795,137,048,428.32/2,913,344.86
  6. Step 6: Final answer
    x = 2,332,417.68

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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.