Home / 1,753,870.53-2,402,762.40-1,688,298.21

Finding the Fourth Proportional to 1,753,870.53, 2,402,762.40 and 1,688,298.21

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Solution

The fourth proportional to 1,753,870.53, 2,402,762.40 and 1,688,298.21 is: 2,312,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,870.53 : 2,402,762.40 = 1,688,298.21 : x
  2. Step 2: Convert to fraction form
    1,753,870.53/2,402,762.40 = 1,688,298.21/x
  3. Step 3: Cross multiply
    1,753,870.53x = 2,402,762.40 × 1,688,298.21
  4. Step 4: Simplify right side
    1,753,870.53x = 4,056,579,458,975.30
  5. Step 5: Solve for x
    x = 4,056,579,458,975.30/1,753,870.53
  6. Step 6: Final answer
    x = 2,312,929.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.