Home / 1,739,212-2,398,898.40-1,680,688

Finding the Fourth Proportional to 1,739,212, 2,398,898.40 and 1,680,688

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Solution

The fourth proportional to 1,739,212, 2,398,898.40 and 1,680,688 is: 2,318,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,212 : 2,398,898.40 = 1,680,688 : x
  2. Step 2: Convert to fraction form
    1,739,212/2,398,898.40 = 1,680,688/x
  3. Step 3: Cross multiply
    1,739,212x = 2,398,898.40 × 1,680,688
  4. Step 4: Simplify right side
    1,739,212x = 4,031,799,754,099.20
  5. Step 5: Solve for x
    x = 4,031,799,754,099.20/1,739,212
  6. Step 6: Final answer
    x = 2,318,176.14

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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.